IKEA Armchair Mouse Caddy

The Armchair Mouse Caddy is a mouse pad with a clamp designed to easily hook onto the arm of IKEA Poang style armchairs. It will also work for IKEA armchairs with arms of similar dimensions. Print the clamp and mouse pad, hook the clamp onto the arm of a chair and then slip the mouse pad into the clamp, with the pad hanging outside of the seat. The mouse pad is 150mm across. The weight and overhang of the mouse pad tray helps to keep the clamp firmly attached to the arm.

Updates:
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including the basic clamp and mouse tray, I've added a fitted and more general clamp designs, allowing for more variation in the thickness and width of armchair armrests.

Included versions:
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Mouse Tray 142mm and 150mm
Clamps
original caddy clamp
Fitted (tight fitting Poang clamp)
Semi-Fitted (fixed with with flexible height)
Open (flexible height and open width)