MyRCCar 1/10 Oldie Pickup Two Styles RC car body

By dlb5

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Technical

PRINTING TIPS
First of all, you don't need to print all parts published, I mean you have to choose for some parts if you want the Mad Max Version, the Gas Monkey Version or maybe if you want to mount the body in a MTC chassis or in a OBTS chassis
As you can see I have printed 2 versions but the grey one is not exactly the version published, but a previous step of design.

The separation of parts helps using different colours and materials, but it also helps when painting the different parts of different colours. Part of the grey body has been smoothed with epoxy and painted with cheap car paint. while the purple one use all unpainted 3d printed parts.

No one likes very long prints because the chances of fail are bigger. But for some parts I think is convenient to have enough strength in the main body. I would like to print the big parts in 0.1mm or maybe 0.08mm layer height but that more than doubles the times I get with 0.2mm layer height for the big parts.

The same happens with speed... I would like to print them slower to reduce ghosting and make them more accurate, but I print the big parts at 70/35/55 mm/s (main speed/outerperims/solidinfill)

So if you want similar results to mine's you should print big parts in 0.2mm layer height and generally 2 outer perimeters with 0.48mm thickness, about 15% infill, 70mm/s main speed, 35mm/s (50% main speed) for outer perimeters and about 80% main speed for solid infills. I printed them with 800-1200 accel for X Y and 180-240mm/s travel moves.

Each of the big three parts needs some little supports. The bed needs them in the sides of the wheel covers. The cab needs them around the rear window. Finally the front part needs them along the bottom limit of the front window. But THAT SHOULD BE ALL. The overhangs of the parts are calculated to be done by a cheap and stock Anet A8 so if you have a better machine you could expect better results without the need of more supports.

You will need at least a 200x200x200 printing volume specially for the bed part.

Just a reminder about inte-layer adhesion and first layer adhesion. Try to print some smaller/quicker parts first to calibrate really well your printer bed and temps before attempting the big ones. Use this same parts to check if you are having a good interlayer adhesion, which will be very important for the big parts. I increased my extruder temp about 5-10ºC respect my normal printing temps looking for this better inter-layer adhesion.

The rest of the parts, smaller ones, can be printed with smaller perimeter thickness, maybe 0.4mm or even the 0.25mm I used for the front emblem. They are a lot of prints, but if you have the time, maybe you can dedicate more time to this little ones with smaller layer heights, thinner perimeters, slower speeds and smaller accels.

If I can help you with any other printing tips please ask in the comments :)
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Joined 3 months ago

Hi there! I'm an individual who has been designing and playing with RC cars and Slot cars for some years. Take advantage downloading and playing with my designs :) Let your screen rest for a while building and playing physically!

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