The Smell of Molten Projects in the Morning

Ed Nisley's Blog: Shop notes, electronics, firmware, machinery, 3D printing, laser cuttery, and curiosities. Contents: 100% human thinking, 0% AI slop.

The New Hotness

  • Laser-cut Shop Wipes

    Wiping down a tool or wiping up a mess with a small rag and then throwing it out simplifies cleanup:

    Shop wipes
    Shop wipes

    Long ago, I applied scissors to old towels / t-shirts / whatever to get randomly sized squares, but when Mary began using rotary cutters for her sewing projects I immediately saw the light. A few times a year, I lower the scrap box level and restock the shop wipes boxes.

    A laser cutter is even better:

    Shop Rags - LB camera layout
    Shop Rags – LB camera layout

    Flatten the rag on the honeycomb, drag a few rectangles into place, and fire the laser:

    Shop wipes - laser cut
    Shop wipes – laser cut

    Something like 50 mm/s at 60% power works for all the fabrics I’ve tried, from worn-out towels and dead sweatpants to napkins and t-shirts. Thinner fabrics can be stacked, but wrinkles and seams get in the way of clean cuts.

    Rounded-corner rectangles are easy enough to draw and the scrap cloths have different shapes, so I don’t see much point in saving a file with any specific layout. Your scrap box may be more orderly.

    A clean cut lets the outer cloth just lift away:

    Shop wipes - on honeycomb
    Shop wipes – on honeycomb

    The wipes give off a distinct smell of charred cloth, but running them through the clothes washer in a big mesh bag with everything else solves that problem.

    Obviously, one couldn’t possibly justify a laser cutter to make shop wipes, but if you happen to have one just standing around, well …