When you want to stand-mount instead of panel-mount a vacuum tube, you can use these. Designed to fit those super-thin #4-40 standoffs but easily modified for other kinds of hex.
Name Last modified Size DescriptionApache Server at burningsmell.org Port 80
Parent Directory - tube-plate-4-40.dxf 2018-06-04 18:47 8.8K Screw pattern to print out tube0001.scad 2018-06-04 18:47 1.8K SCAD if you want to change standoffs tube-lid-4-40.stl 2018-06-04 18:47 65K Parts for using #4-40 thin standoffs tube-base-4-40.stl 2018-06-04 18:47 106K Parts for using #4-40 thin standoffs