Rear wall goes low enough to prevent pivoting forwards, drain holes avoid leaving soap on the grab bar. Includes a hook to hang a brush or loofah.
Example is printed in PETG, no supports, added ears to prevent warping.
OnShape link: https://cad.onshape.com/documents/704c84194b8021a4e60c341d/w/da1d250c6cae074c89dd8d30/e/10194ad
The author marked this model as their own original creation.