FREE AUTOCAD LISP

TBG — flip the AutoCAD background black or white, instantly

One letter-command flips the model-space background between black and white — and flips the crosshair colour with it, so the cursor never disappears into the background.

Perfect for screenshots, prints and screen-sharing: work on black, present on white, switch back in a keystroke.

How to use it

1. Unzip, then load the .lsp with APPLOAD.
2. Type TBG.
3. Type TBG again to switch back.

Good to know

Originally written by Lee Mac.

From the same workshop — watch what the paid add-ons do

Divide Area Split any closed shape into pieces of equal area – by number, by distance, a set area or a free cut. See Divide Area — $21.90

Area Measure Measure closed shapes in any unit, number them, and get a totalled area table – annotative text supported. See Area Measure — $21.90

Voronoi Generator Fill any closed polyline with Voronoi cells – exact spacing, edge distance and rounding, live preview. See Voronoi Generator — $24.90

This tool is part of our free AutoCAD LISP collection — 20+ routines, all free, all tested on real projects.