In no particular order:

• A mini Simpsons TV (inspired from this).
• A working Curta calculator.
• Board game organizers, dice, familiars, trays, etc.
• A miniature model of my head based on 3d scans.
• Replacement headband for my broken headphones.
• A small scale replica of my home.
• Auto-agitator for the Lab Box.
• Google Home Mini wall holder
• Programmable curtain/blinds controller.
• HDD rack for home server.
• Spring loaded caliper case.
• Alphabet shelf separators for organizing vinyl records.