Print, Clean out screw holes (if support material is used), Tap threads into screw holes (using for example SPAX Multi-Purpose Construction Screws #8 x 2 inches), Cut heads off screws (leaving about 1 - 1.25 inches) and use locking pliers to screw the cut-off end of the screw into each hole. Leave about 0.43 inches of the screw protruding to clean 2.5 inch or larger mortars. Longer screws can optionally be used and more can be left protruding to clean larger mortars. 20 screws are required. Completed tool can be threaded onto a broomstick or paint handle for cleaning mortars. Submitter is not responsible if tool is used for other than the intended purpose.
100% for greatest strength
Printed using PLA with PVA for Support.