Mouse bungee, print base in PLA/PETG/ABS/ASA and arm in soft TPU (i used Filaflex 70a).
(printed with 0,6mm nozzle 0,2 mm layer height, arm 2 walls 20% gyroid infill, no supports)
edit: added v2 base (arm mount with 2x M3x8mm screws and counterparts to base)
The author marked this model as their own original creation.