Bulldog Tech’s 3D

Bay Ridge’s Premier 3D printing shop

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The Bulldog Tech Advantage

We offer high-quality 3D printing built on our specialized 3D printing farm. Our typical delivery time is 2-4 days depending on model complexity and finishing options.

We Specialize in:

  • Prototyping: Up to 10,000 pieces
  • Large Scale models
  • Design Services
  • Post Print and Finishing Services

Fast and Affordable

We offer same day turnaround on simple parts and less than 2 weeks turnaround on volume printing. Start your project today for a quote and time frames.

Volume Printing

We have capabilities to print from 1 to any number of parts. We provide support, post-processing and fast turnaround. Consumer products, architects, engineers, marketing, fashion – you dream it, we can make it!

Post Processing and 3D Design

We work with you to bring your project design to life.

Additional Services

Post-ProcessingLarge PrintsCNC Works

Post-Processing

3D printed parts can be post-processed with a variety of methods to make them harder, stronger, and give them different surface finishes; or even change their material properties. Every part that comes off one of our printers is cleaned and checked for quality. Beyond that, we offer various post-processing methods, including:

  • Sanding
  • Painting
  • Resin Hardening

Large Scale Printing

Need a large 3d part printed? We got you covered. Our large format 3D printers can create virtually any complex part you require

Our printers currently print 24”w x 36”L  x 5” high. Great for architects to show their floor plans!

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CNC Machining

Send us your design and we can produce parts in volume or 1 off in sizes up to 22x33x5!

  • Acrylic
  • Wood
  • Metal

Our Stepcraft CNC system is precise, robust and fast!

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Materials

ABSPLASpecial Materials

ABS

ABS (Acrylonitrile Butadiene Styrene), is an oil based thermoplastic. Thermoplastics are plastics that become soft or pliable, once a certain threshold temperature is reached.

ABS has many familiar applications. It is extensively used in appliances, toys, and automotive parts such as vehicle bumpers, among other items we interact with everyday. ABS is sturdy, and is capable of withstanding forces exerted upon it. When the material is stressed, it tends to bend rather than break.

ABS plastic is both impact resistant and lightweight. ABS is also able to withstand shock and due to the properties of the material, has the ability to absorb impact forces making it a favorite for helmets, luggage, and other protective items. It can also withstand extreme weather, and is resistant to most chemicals. ABS can be dissolved in Acetone in order to create “ABS Juice”, which can be used as an adhesion material when working with PLA.

Technical Specs:

Density: 1.24 g/cc
Melting point: 210 – 240 °C
Softening point: 35 °C

PLA

Polylactic Acid, or PLA filament, is another popular thermoplastic used in 3D printing applications. At room temperature it is solid, and it becomes more malleable and softrt at higher temperatures. PLA is stronger and more rigid than ABS filament, and PLA can also be sanded down or machined. It’s a strong and versatile plastic suited for a variety of applications.

PLA is environmentally friendly, being derived from plants and organic matter. PLA filament is highly versatile. We stock and work with a variety of colors for any project, examples include glow in the dark, fluorescent, or other pantones such as wood, bronze, silver, gold,and aluminum.

Technical Specs:

Density: 1.24 g/cc
Melting point: 180 – 210 °C
Softening point: 35 °C

Special Materials

New materials are being produced weekly. At Bulldog Tech 3D, we evaluate and test what we believe are the most innovative materials for projects. Stainless steel, conductive and Ninjaflex, to name a few. These materials require more pre and post-processing, hence, price and time frame will rise if such materials are required.

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Electrically Conductive

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Proto-pasta Stainless Steel PLA is a dense material that prints as easily as standard PLA but results in heavy cast metal looking prints that can be brushed, sanded, or polished post-print to achieve amazing results. Perfect for jewelry, costumes, props, figurines, crafting, robots, and more!

We suggest experimenting with polishing using this starter kit (includes instructional videos).

**This filament is more abrasive than standard PLA. Be prepared to replace your nozzle and do 1st layer adjustment. Try a wear resistant and/or larger diameter nozzle for increased service intervals.

  • Available in 1.75 & 2.85 (3) mm diameters.
  • 125g are loose coils, 500g is on a 8″ diameter spool, 2kg is on a 12″ diameter spool.
  • Usable on most PLA-compatible printers, such as Lulzbot, Makerbot, FlashForge, Dremel, Ultimaker, Printrbot, and more!

In filament form, SSPLA is slightly more brittle than standard PLA, and requires extra care when handling.

Processing is comparable to standard PLA. No heated bed required. Process may be less consistent on smaller nozzles and/or bowden type machines,

We frequently print using direct-drive systems with 0.4mm nozzles, though suggest 0.6mm and 210-230C for the best experience.

Composite PLA – Polishable Stainless Steel

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Prints like plastic, polishes like metal!

Proto-pasta Stainless Steel PLA is a dense material that prints as easily as standard PLA but results in heavy cast metal looking prints that can be brushed, sanded, or polished post-print to achieve amazing results. Perfect for jewelry, costumes, props, figurines, crafting, robots, and more!

We suggest experimenting with polishing using this starter kit (includes instructional videos).

**This filament is more abrasive than standard PLA. Be prepared to replace your nozzle and do 1st layer adjustment. Try a wear resistant and/or larger diameter nozzle for increased service intervals.

  • Available in 1.75 & 2.85 (3) mm diameters.
  • 125g are loose coils, 500g is on a 8″ diameter spool, 2kg is on a 12″ diameter spool.
  • Usable on most PLA-compatible printers, such as Lulzbot, Makerbot, FlashForge, Dremel, Ultimaker, Printrbot, and more!

In filament form, SSPLA is slightly more brittle than standard PLA, and requires extra care when handling.

Processing is comparable to standard PLA. No heated bed required. Process may be less consistent on smaller nozzles and/or bowden type machines,

We frequently print using direct-drive systems with 0.4mm nozzles, though suggest 0.6mm and 210-230C for the best experience.

Composite PLA – Rustable Magnetic Iron

Proto-pasta Rustable Magnetic Iron Metal PLA Composite is actually ferromagnetic.  It responds to magnets and behaves similarly to pure iron!  Encapsulated in plastic, the iron maintains a stable matte, cast metal finish as printed, but can be rusted when desired.  Here is why Proto-pasta Iron PLA is so interesting:

  • Weighted feel with 1.5x the density of standard PLA
  • Rustable to create modern artifacts in a few easy steps – instruction here
  • Attracts magnets (neodymium type recommended for strongest attraction)
  • Induction at magnetic saturation about 0.15 Tesla
  • Relative (to air) Permeability – between 5 and 8 independent of frequency up to 1 MHz
  • Permeability – between 62E-7 and 100E-7 H/m independent of frequency up to 1 MHz
  • More thermally conductive than standard plastic
  • Prints easily like PLA with less nozzle wear than Steel or Carbon Fiber
  • More filament for your money – 2x the length of Bronzefill (500g Iron =1kg Bronzefill)

We recommend experimenting with creating a rusty patina like this:

**This filament is more abrasive than standard PLA. Be prepared to replace your nozzle and do 1st layer adjustment. Try a wear resistant and/or larger diameter nozzle for increased service intervals.

  • Available in 1.75 & 2.85 (3) mm diameters.
  • 125g are loose coils, 500g is on a 8″ diameter spool, 2kg is on a 12″ diameter spool.
  • Usable on most PLA-compatible printers, such as Lulzbot, Makerbot, FlashForge, Dremel, Ultimaker, Printrbot, and more!

In filament form, FEPLA is slightly more brittle than standard PLA, and requires extra care when handling.

Processing is comparable to standard PLA. No heated bed required. Process may be less consistent on smaller nozzles and/or bowden type machines.  We frequently print using direct-drive systems with 0.4 mm nozzles, though prefer 0.6 mm and 190-210C (standard PLA or a bit cooler) for the best experience.

High Performance HTPLA with the Aroma of Coffee!

We drink plenty of caffeine as we push as hard as we can to bring you new Proto-pasta materials. After all, it’s a Northwest tradition and caffeine fuels innovation, right? We took that statement literally! You can’t imagine how amazing it is to print with the invigorating aroma of coffee. With print ease similar to standard PLA and better performance than PLA, ABS, and Polyesters like PET, you can’t go wrong! Might not be made from World’s Best Coffee, but it might be World’s Best Filament!

Proto-pasta’s Aromatic Coffee HTPLA is the first specialty blend is based on our more tough (flexible and durable), “Heat Treatable” HTPLA. More durable than standard PLA, HTPLA can also be “heat treated” post-print for “higher temperature” performance than standard PLA, ABS, and Polyesters like PET!

This otherwise odorless plastic releases an invigorating roast coffee scent when heated. Beyond this novel feature, the color is a beautiful pearlescent, translucent bronze when printed.  The color turns opaque when heat treated for a more wood-like finish. Aromatic Coffee HTPLA has a potential Heat Deflection Temperature (HDT) of as much as 140C (285F) depending on post-processing. This means parts retain more stiffness and form to higher temperatures.  No warping on your sunny car dashboard!


For maximum performance, your prints should be heat treated (i.e. crystallized) in an oven until you see a change from translucent to opaque. Yes, there is an obvious visual change indicating the improved performance! We had good luck in a lab oven at 110C (230F) for an hour or less. We recommend leaving the supports on your parts, placing them on a non-radiating surface (like glass, ceramic, or composite), and letting them cool in the oven to minimize distortion. Parts can be baked at a lower temperature (though must be above 60C for any reaction) for a longer time with less risk of unwanted deformation.

  • Available in 1.75 & 2.85 (3) mm diameter on a 500g diameter recyclable cardboard spool
  • Usable on most PLA-compatible printers, such as Lulzbot, Makerbot, FlashForge, Dremel, Ultimaker, Printrbot, and more!

No abrasive fillers so expect normal wear with standard nozzles.
In our experience, good results were achieved using standard PLA parameters with standard build surface preparation (blue tape, glue stick, or BuildTak). No heated bed required.  Some shrinkage may occur in the annealing process, so dimension critical parts may need to be scaled as much as 2.5% to compensate.

High Performance HTPLA – Translucent Colors

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Proto-pasta’s HTPLA v2.0 is better than the original kickstarted version. This new formulation is higher performing and lower cost. HTPLA prints similar to standard PLA but is “Hella Tough” and can be “Heat Treated” for “Higher Temperature” resistance. This durable PLA has a theoretical Heat Deflection Temperature (HDT) of more than 140C (285F) after heat treating though in our experience 120C or more was practically attained. This means HTPLA parts maintain strength and form to much higher temperatures than PLA, ABS, or Polyesters like PET which loose structure as soon as 55C and by 100C.
How do you “Heat Treat” for maximum performance? Bake your parts into a oven until you see a change from translucent to opaque. Yes, there is an obvious visual change indicating the improved performance! We had good luck in a lab oven at 110C (230F) for an hour or less. We recommend leaving the supports on your parts, placing them on a non-radiating surface (like glass, ceramic, or composite), and letting them cool in the oven to minimize distortion. Parts can be baked at a lower temperature (though must be above 60C for any change to occur) for a longer time with less risk of unwanted deformation.

  • Available in 1.75 & 2.85 (3) mm diameter
  • Colors include Iridescent Ice & Silver Smoke
  • 500g 8″ diameter spool only

No abrasive fillers so expect normal wear with standard nozzles.

In our experience, good results were achieved using standard PLA parameters with standard build surface preparation (blue tape, glue stick, or BuildTak). No heated bed required. Some shrinkage and distortion may occur in the annealing process, so larger or dimension critical parts may need to be scaled larger to compensate or printed in our more stable, lower shrink Carbon Fiber version.

High Performance, Easy Printing…It’s World’s Best CF!

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Proto-pasta’s High Performance Carbon Fiber HTPLA-CF combines engineering-grade performance with the ease and environmental-friendliness of PLA printing. Since kickstarting the World’s First 3D Printable Carbon Fiber PLA and our original HTPLA, we’ve wanted to combine the two for a “super-material”. Why is this material “the best”?
Compared to ABS, PET, and similar Polyester materials, HTPLA-CF has:

  • Easier and more reliable printing
  • No heated bed required
  • Lower processing temperatures, like standard PLA
  • Less warping and distortion when processing
  • More temperature resistance* for maintaining properties to higher temperatures
  • Most ABS, PET, and Polyesters get soft at 80C +/- 10C
  • HTPLA-CF maintains properties up to 120C or more (*when heat treated)
  • Higher strength and better strength-to-weight ratio for stronger parts with less material
  • Improved surface hardness for less wear in abrasive environments
  • Less shrinkage and distortion for more accurate parts
  • Higher stiffness so parts hold their shape
  • Renewable biopolymer with low odor
  • Highly desirable black finish

Compared to the Original Carbon Fiber PLA, HTPLA-CF has:

  • Improved toughness for less breaking when handling and easier processing
  • Higher HDT when heat treated for maintaining properties to higher temperatures.

Compared to HTPLA, HTPLA-CF has:

  • Improved surface hardness for less wear in abrasive environments
  • Less shrinkage and distortion for more accurate parts

HTPLA-CF, like Aromatic Coffee, is based on our High Perfomance HTPLA v2.0, so it prints easily and can be heat treated for higher temperature performance with a potential Heat Deflection Temperature (HDT) in excess of 140C (285F) depending on processing. We had good results when heat treating in an oven at 110C (225F) for an hour. We recommend leaving the supports on your parts, placing them on a non-radiating surface (like glass, ceramic, or composite), and letting them cool in the oven to minimize distortion. Parts must be baked above 60C for any crystallization to occur.

  • Available in 1.75 & 2.85 (3) mm diameter
  • 500g 8″ diameter spool only

Carbon Fiber is somewhat abrasive, so consider upgrading to a wear resistant nozzle for less regular maintenance.

In our experience, good results were achieved using standard PLA parameters and standard build surface preparation (blue tape or glue stick). No heated bed required.

NinjaFlex


NinjaFlex flexible filament leads the industry thanks to its superior flexibility and longevity compared to non-polyurethane materials. Its consistency in diameter and ovality (roundness) outpaces other polyurethane materials.

Made from a specially formulated thermoplastic polyurethane (TPU) material, this patented technology boasts a low-tack, easy-to-feed texture. The result is uniquely flexible, strong prints ideal for direct-drive extruders.

Suggested Applications: Seals, gaskets, plugs, leveling feet, protective applications.

BrassFill

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The material is still in beta, which means they’re still working on the formulation to get the best possible performance. The current formulation is providing excellent results on 1.75mm direct drive printers, such as the Makerbot Replicator 2 and Prusa I3.

The filament is slightly softer then bronzeFill and copperFill, users need to be careful with applying pressure onto the filament. They’ve found that 3D printers using a bowden tube set-up and 2.85mm filament gives the least reliable results. Users need to take extra care of not over stressing the filament, with pressure and retraction settings.

Like copperFill and bronzeFill the brassFill filament can be post processed. A unique quality of brassFill is the lovely golden shine it shows when polished to perfection.

BambooFill

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If you’re looking for something special in your filament portfolio then consider our bambooFill filament. About 80% colorfabb PLA and 20% recycled bamboofibres.

CopperFill

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3d printing with metal on your own desktop 3d printer! This amazing one of a kind filament will allow you to print with actual copper at home.

*Experimental Material

*Testing showed reliable results using the all metal hot-ends, such as the E3D and the Makerbot Replicator 2 hotend. Hotends which use a teflon isolator coupler can generate adhesion to the copper filament possibly leading to clogs and is there for not recommended for novice users yet.

BronzeFill

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3d printing with metal on your own desktop 3d printer! This amazing one of a kind filament will allow you to print with actual bronze at home! Straight from the printer parts look almost laser sintered with a matte finish.

With a bit of sanding and polishing the bronze particles will start to shine and shimmer unlike any 3d printing filament you have seen before. The weight of the material is something special, about 3 times heavier then our regular PLA/PHA.

Now you can make jewelry that won’t feel like cheap lightweight plastic parts.

Coming Technology

We are currently working on our high speed Delta printer and our MASSIVE 36”x36” high resolution monster!

As the 3d printing technology changes so will we! New and improved machines are always being developed and Bulldog Tech 3D will evaluate and integrate the best of them.

You Dream It! We Make It!

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