Size parameter can be changed in the Fusion 360 model to create a custom component.
Use an 10mm long M6 round head screw to secure the bracket to the extrusion. A longer screw bottoms out in the extrusion and a shorter one is not providing enough thread for a secure fit.
PLA and PETG filament is probably the best material to use for printing. Use 3 perimeters and also 3 top and bottom layers with 20% infill.
Other designs for BOSCH REXROTH 3030 extrusions:
The author marked this model as their own original creation.