This is a Engine Hook add-on for the MAZDA RX7 engine.
Original :
https://www.thingiverse.com/thing:3006071
The video of the finished project : https://www.youtube.com/watch?v=O1ecJfzF-9Q
1 x EngineHookFront: Layer:0.15mm Raft:no Support:yes Infill:30%
1 x EngineHookRear: Layer:0.15mm Raft:no Support:no Infill:30%
3 x m3 threaded insert
3 x m3x8mm SHCS
3 x m3 lock washer
Look at pictures
More add-ons
https://cults3d.com/fr/collections-de-designs/dancan13f/mazda-rx7-engine-add-ons
The author marked this model as their own original creation. Imported from Thingiverse.