If you need I can prepare clamp with another dimension. This model is for lens EF 70-300mm f/4-5.6L IS USM. On the some photos are a little bit different version. Final version is on the pictures with description of parts. Recomended print parameters: 4 perimeters, PETG (PC), 0,15mm layer, infill gyroid 40%.
The author marked this model as their own original creation.