Consider to follow if you like what I do. Just ask if you have an idea to a lego piece you want to be made. Each cylinder has 7.6cc of volume. Compared to a Scarlett 6, its 1/22th scale.
File types: STLLicence: Personal use only
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Consider to follow if you like what I do. Just ask if you have an idea to a lego piece you want to be made. Each cylinder has 7.6cc of volume. Compared to a Scarlett 6, its 1/22th scale.
File types: STLLicence: Personal use only

Demo and assembly guide: Exploded view in 3d viewer: Extra parts needed: Nitrile glove Takes 4m of filament to print (about 5h at 20mm/s on my snail of a printer). Will print a bit prettier with supports (80deg.
File types: STLLicence: Marketplace terms

Licence: Marketplace terms

This model is compatible with the lego system.
File types: STLLicence: Personal use only

This model is compatible with the lego system.
File types: STLLicence: Personal use only

This model is compatible with the lego system.
File types: STLLicence: Personal use only

stronger and more reliable drop in replacement valve for common lego vaccum engine desigs
File types: STLLicence: Public domain

File types: STLLicence: Personal use only

IMPORTANT: Please note that after modernizing the concept, this locomotive is obsolete version now and for the compatibility with the rest of my "Euroreprap Railroad Collection/System" you should rather print your models using latest...
File types: STLLicence: Personal use only

Consider to follow if you like what I do. Just ask if you have an idea to a lego piece you want to be made. UPDATED VERSION: Lego clutch gears. 16t, 20t, 24t, 36t and 40t.
File types: STLLicence: Personal use only

A Turbo. Now Complete! Feel free to comment if you have any questions or issues. The intake guard only works for the first impeller housing. I recommend that you use common sense when operating this!
File types: STLLicence: Personal use only

Consider to follow if you like what I do. Just ask if you have an idea to a lego piece you want to be made.
File types: STLLicence: Personal use only

✅print in place ✅minimal supports needed ✅already has the exhaust port and pipes ✅minimal assembly
File types: STLLicence: Attribution

Based on the engine in a 1998 XC 600 Polaris snowmobile, this engine is ready for everything small and fast, put this engine in Lego scooters, minibikes, snowmobiles, and whatever else you want!
File types: STEPLicence: Attribution

This engine features simple ball valves as the gateway for the compressed air to enter the cylinder, it also features a realistically timed crankshaft for great sound and includes a long exhaust header for added realism!
File types: STEP STLLicence: Attribution


This is a 1/10 scale model of the J2 rocket engine by Rocketdyne that powered Stage 2 and 3 of the Saturn V rocket.
File types: STLLicence: Personal use only

Design Concepts This two-stroke engine model is designed with intricate moving parts for educational and display purposes. The bright red and black components enhance visibility and demonstrate the internal workings realistically.
Licence: Attribution

This stencil is for personal and educational use. Read & Write by Association Kids can use this stencil to draw a Lego figure person and the word “LEGO”. This a fun way for young minds to learn words by association.
Licence: Personal use only

Model dimensions: - length - 178.5 mm - width - 56 mm - height - 46.8 mm - length of the longest part - 162 mm The model consists of parts: Air intake, Body, Engine bottom part, Engine top part, Front rims, Front tires, Left exhaust pipes...

Model dimensions: - length - 204 mm - width - 60.8 mm - height - 57 mm - length of the longest part - 192.5 mm The model consists of parts: Air intake, Body, Engine, Front rims, Front tires, Left exhaust pipes, Radiator, Rear rims, Rear...

Model dimensions: - length - 178.2 mm - width - 56 mm - height - 46.8 mm - length of the longest part - 169.1 mm The model consists of parts: Air intake, Air tube 1,2, Body, Engine front part, Engine main part, Front rims, Front tires...

Model dimensions: - length - 170.2 mm - width - 56 mm - height - 44.4 mm - length of the longest part - 161.6 mm The model consists of parts: Air intake, Body, Engine, Exhaust pipes, Front rims, Front tires, Rear rims, Rear tires, Seat...

Model dimensions: - length - 205 mm - width - 75.6 mm - height - 59.3 mm - length of the longest part - 162.5 mm The model consists of parts: Air intakes, Body, Engine bottom part, Engine top part, Left exhaust pipes, Left track...

Model dimensions: - length - 128.1 mm - width - 30.8 mm - height - 43.8 mm

Model dimensions: - length - 178.4 mm - width - 56 mm - height - 50.3 mm - length of the longest part - 162 mm The model consists of parts: Air intake, Body, Engine, Front rims, Front tires, Left exhaust pipes, Rear insert, Rear rims, Rear...

Model dimensions: - length - 110.8 mm - width - 26.4 mm - height - 47.4 mm

Model dimensions: - length - 205.6 mm - width - 74 mm - height - 54 mm - length of the longest part - 162.5 mm The model consists of parts: Air intake, Body, Engine bottom part, Engine top part, Left exhaust pipes, Parachute, Rear rims...

Model dimensions: - length - 225 mm - width - 58 mm - height - 45.6 mm - length of the longest part - 172.5 mm The model consists of parts: Air intake, Body, Engine, Front rims, Front tires, Left exhaust pipes, Rear rims, Rear tires, Right...

Model dimensions: - length - 207.4 mm - width - 74.5 mm - height - 46.8 mm - length of the longest part - 198.4 mm The model consists of parts: Air intake, Body, Engine, Front part, Front rims, Front tires, Left exhaust pipes, Rear bumper...

Model dimensions: - length - 215.5 mm - width - 56 mm - height - 46.8 mm - length of the longest part - 162 mm The model consists of parts: Air intake, Body, Engine, Front rims, Front tires, Left exhaust pipes, Rear rims, Rear tires, Right...

Model dimensions: - length - 166.9 mm - width - 62.8 mm - height - 55 mm - length of the longest part - 156.8 mm The model consists of parts: Air intake, Engine, Frame, Front rims, Front tires, Left exhaust, Radiator, Rear rims, Rear...

Model dimensions: - length - 163.2 mm - width - 62.2 mm - height - 42.3 mm - length of the longest part - 155 mm The model consists of parts: Air intake, Belt, Body, Brake disk, Engine, Front exhaust pipes, Front rims, Front tires, Main...

*WARNING* - Soldering skills will likely be needed Note: STEP and F3D files included in case anyone wants to remix or tweak. My school has these wonderful Lego resources to teach to teach renewable energy.
File types: 3MF F3D STEPLicence: Marketplace terms

Model dimensions: - length - 124.2 mm - width - 24 mm - height - 33.3 mm

Model dimensions: - length - 141.6 mm - width - 62.8 mm - height - 56.6 mm - length of the longest part - 136.6 mm The model consists of parts: Engine, Frame, Front rims, Front tires, Left exhaust, Parachute bag, Radiator shell, Rear rims...

Model dimensions: - length - 181.2 mm - width - 56 mm - height - 46.8 mm - length of the longest part - 162 mm The model consists of parts: Air intake, Body, Engine bottom part, Engine top part, Front rims, Front tires, Left exhaust pipes...

Model dimensions: - length - 136.3 mm - width - 54 mm - height - 42.9 mm - length of the longest part - 127.6 mm The model consists of parts: Air intake, Body, Engine, Front rims, Front tires, Left exhaust pipes, Rear rims, Rear tires...

Model dimensions: - length - 178.2 mm - width - 62 mm - height - 42.3 mm - length of the longest part - 170 mm The model consists of parts: Air intake, Belt, Body, Brake disk, Engine, Front exhaust pipes, Front rims, Front tires, Main...

Model dimensions: - length - 178.4 mm - width - 56 mm - height - 50.3 mm - length of the longest part - 162 mm The model consists of parts: Body, Compressor part 1,2, Engine main part, Exhaust part 1,2, Front rims, Front tires, Rear...
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