Next project.
Picatinny rail mounted stock for SigSauer MCX and similar platform whitch uses picantinny rail on its back.
https://www.thingiverse.com/thing:3444601 here You can find CZ Scorpion EVO picantinny rail adapter so You can assembly it.
picatinny_rail_mounted_stock_foldable_with_QD_slot.stl | 1.2MB |