This is a holder for a multimeter and cable organizer that fits an errotools pegboard.
The model is inspired by this design:
https://cults3d.com/en/3d-model/tool/multimeter-holder-pegboard-or-wall-mounted
I printed it on prusa i3 mk3s+ with 0,4mm nozzle in PETG, 3 shells, line width of 0,6mm, except for 0,45mm external perimeters,15% rectilinear infill and 0,15mm layer thickness and supports.
The author hasn't provided the model origin yet.