A 3 part system which works on extremely simple spring mechanism! Printed in PLA.

Layer height : 200um / 0.2mm 

Walls - 6 (minimum)

No supports required

Brim may be necessary (use glue on PEI sheet instead of brim if required)

Print in the orientation the STL is only - or see where the 2 notches are with a chamfer and place that side on the print bed.

Useful for anyone with small hands / kids. Also useful for people having clenched fist syndrome or more. The ‘horns’ can be tweaked and modified according to the requirements - Have uploaded the .stp files.