it can be printed in various materials,

i used asa, as the printer is build with it

settings i used : 4 perimeters, 5 top and bottom layers, 15% infill

1x skr holder
2x frame connector

4x heat insert (5x4 m3)
4x m3 x 10 for skr
2x m3 x 16 for mounting to frame
2x m5 x 10 or 12 to mount to frame connector to the holder 
2x t-nut m3