Print them as you like, no support is needed.
To use the drill template, you hold it place with a klamp or by hand for 2 holes then use 2 bolts/nuts to keep it in place. When you have drilled the smaller holes you can use a larger drill or a saw or something to open it up.
If you use a splitter for the Z there are holes to attach it on one of the brackets
Uploaded 3MF files that Cura supports.
Printer Brand:
Wanhao
Printer:
Wanhao Duplicator i3 V2
Rafts:
No
Supports:
No
Resolution:
200
Infill:
38
Filament: What you like PLA/PTEG/ABS
Category: 3D Printer AccessoriesThe author marked this model as their own original creation. Imported from Thingiverse.