The model, is simple, and practical;
Design concept: clip for PVC pipes 19mm. Simply push the pipe after the clip was fixed on the wall.
Print Settings K1 printer, 22 min print time, 0.10mm layer height, 20% infill, ASA material. you can use different materials; 10% density supports on panel tabs at 60° angle (easy removable). Outer shell no supports. Used brim for adhesion.