The Smell of Molten Projects in the Morning

Ed Nisley's Blog: Shop notes, electronics, firmware, machinery, 3D printing, laser cuttery, and curiosities. Contents: 100% human thinking, 0% AI slop.

The New Hotness

  • Thing-O-Matic: Multiple Bunnies vs Print Speed

    What’s more fun than one Stanford Bunny? A few litters!

    These at 50 mm/s feed came out a bit jittery. The ear overhangs were particularly messy:

    Small bunnies - ragged edges - 50-100
    Small bunnies – ragged edges – 50-100

    Another litter at 20 mms/s had better ear overhangs and much smoother coats with less overall jitter:

    Small bunnies - ragged ears - 20-100
    Small bunnies – ragged ears – 20-100

    The obvious shear line across their tummies came from my messing around with the HBP cabling, jerking the X stage while preventing the cables from snagging on the Y stage. Moral of the story: don’t mess around with anything inside the box while it’s printing!

    They have little droopy tails:

    Small bunnies - droopy tails - 20-100
    Small bunnies – droopy tails – 20-100

    I think 25 or 30 mm/s would be better all around, as it’d move the extruder away from the Z stage’s mechanical resonance at 1.10 rpm.