3 Piece RC basher bumper

thingiverse

***UPDATE 5/21/2020*** So I've gone through several variations of this bumper using different materials at various infills and layers, and all of them are totally unacceptable. My best print, which I thought would be the winner, broke instantly after hitting my couch in the living room. Went back to the drawing board, aka Tinkercad, and I think I have a much better solution now - using TPU and beefing up the front bumper. Now you can print the top bumper in TPU, the center section in PLA or PETG, and the base and bumper spring in TPU. So far so good. I printed the TPU parts at 50% infill with at least 3 walls, and the center section at 40% in PLA. Use 2 M2x12 screws to bolt the top bumper down. I've probably gone through about 3 front bumpers between 3 Redcat Racing Blackout XTEs, but I decided to give it a shot anyway. First, I created a 2-piece setup, but just testing it in my living room broke one of the bumper arms, so I designed a 3-piece setup instead. I used the original 3 body screws to mount the base to the chassis and the original front 2 screws to attach the bumper spring to the bumper. I used: - 2 M4x14 to attach the middle section to the bumper base. - 2 M3x12 to attach the top bumper to the middle section. The 2 holes in the top of the bumper will fit standard LED bracket fittings I found on Amazon. https://www.amazon.com/Kalevel-Trucks-Headlights-Taillight-Accessories/dp/B013SSO70Y/ref=sr_1_3?crid=N9QEICLG1O8E&keywords=rc+led+lights&qid=1581380004&sprefix=rc+led%2Caps%2C238&sr=8-3 I also designed a bumper spring that will fit on the original Blackout XTE bumper and my design. I have not tested this outside yet due to several days of bad weather, so if you decide to print this to bash around, please send me a pic if it happens to break, so I can make it better. Update 1: After a long weekend of bashing the bumper held up better than expected - the stock body screws did wiggle their way free. You may want to consider using M3x10 or 14 screws with a self-locking nut. I'm also considering beefing up the bottom middle section.