Doug's Grounded Flight
@jonspaceharper.bsky.social
Maker, designer, writer, human. 3D prints things for 3D printers. Cat dad of four. ASD & PTSD. He/him.
Topics: history, aviation, space, computing, psychology
https://jon-harper.github.io
Topics: history, aviation, space, computing, psychology
https://jon-harper.github.io
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