1. Live Hinge

    I have a directoy named 'laser_box' with two files in it.

    It is a parametric model for a live hinge. Specify a few parameters in the OpenSCAD file and you get a live hinge that you can export to a dxf, and then read into your laser software.

    a live hinge

    read more
  2. A Table for my GigaMacro rig

    I finally got my GigaMacro rig up to the 'new' house (we have been here for 17 months, so 'new' seems a bit of an over statement).

    It is in a sub-nominal condition, there is rust, and wear from neglect. But it is, to me, a beautiful object, and I …

    read more
  3. Drawer Dividers

    cover image

    I wanted to make drawer dividers for my tool boxes, especially the out of control screwdriver drawer. I did a little search, and decided that it was worth it to just pay $3 for an SVG of drawer dividers from Pacific Grove Designs on Etsy.

    The pattern is designed for …

    read more
  4. OGR2OGR is still awesome

    I downloaded the Sonoma County Parcel information. From

    But it is too large to be useful, so let's use ogr2ogr to zoom in on their property.

    lower left 38.39 -122.85

    lower right 38.39 -122.84

    upper left 38.39 -122.85

    upper right 38.41 -122.84 …

    read more
  5. Stupid Things

    Tue 16 July 2024: Laser

    You can press the laser button on the control panel to turn the laser on and then press the direction buttons. This lets you cut straight lines, like when the laser doesn't want to cut for some reason, but it engraved something that you like.

    You need to lift up …

    read more
  6. Thank you Eryck

    How to engrave a picture

    'Engrave only support 2-bit bitmap'

    Filled the transparent area with white.

    Converted to Greyscale than back to RGB

    Saved as JPG

    Try: Optix by Plaskolite, INC Extruded Acrylic maybe 1/8"? Engrave 300x22 Cut 30x80

    Engrave not very distinctive. Cut did not work-did two more …

    read more
  7. Shop Boxes

    In the Global Connections lab at NASA Ames research center we used these yellow shelf bins.

    And I adopted that as my personal standard.

    yellow shelf bins

    But not everyone likes them. Christine rightly points out that it is basically impossible to keep them clean.

    My friend Tom Yoder made these great shop …

    read more
  8. Costs

    How much have I spent?

    6/25/2024 $1,000 Cash for the laser 7/14/2024 $92.94 Mendo Mill Electric and distilled water 7/14/2024 $33.66 Amazon Power splitter and outlet cover

    read more

links