This is a very simple Gridfinity holder for allen keys with a grip.
Sizes: 2 mm, 2.5 mm, 3 mm, 4 mm, 5 mm
Length: 100 mm from tip to base of the grip, overall length should be around 150 mm
Shorter keys could interfere with the base, longer keys would go outside of the base plate.
No support needed, PLA oder PETG, doesn't matter.
The author marked this model as their own original creation.