Roly Poly No. 2

Stubby

No. 2 · Undersized organic

The Stubby is a Speccy drawn down to 50.5 mm: small enough for a jacket pocket, and still 62 grams, so it sleeps like a full-size yoyo.

A$119
Coming soon ⌀ 50.5 · 40.0 · 62.0 g

3 colourways, 3 places

  • Small HoursNullarbor Plain, SA31.0° S · 130.0° Esolid · blasted
  • BoobookGariwerd, Vic37.14° S · 142.52° Esplash · three dyes
  • Salt LakeHutt Lagoon, WA28.17° S · 114.23° Esplash · three dyes

The Stubby, in section

40.0⌀ 50.5gap 4.20
Diameter
50.5 mm
Width
40.0 mm
Gap
4.2 mm at the pads
Weight
62.0 g built, with bearing and axle
Spin inertia
243 g·cm² 91% of it in the outer 30% of the radius
Material
6061-T6 bead-blasted, anodised
Bearing
Size C (R188) 6.35 × 12.7 × 4.76 mm
Response
19 mm slim pads sit 0.05 mm under the wall
Axle
M4 × 10 set screw

Undersized yoyos live in pockets and come out on walks and in queues. The trick is keeping enough weight in a smaller rim that it still spins long. It's named for the stubby, the short beer bottle that fits in one hand. This one fits in a pocket.

Inside the Stubby

Keep scrolling and it comes apart.

  1. Two halves · 6061-T6 · 29.6 g each
  2. Two pads · 19 mm slim
  3. Bearing · size C
  4. Axle · M4 × 10
Its printed twin

Print a Stubby first

Same outside, same 62.0 g in solid PETG, 85% of the metal one's spin. Print the half twice. Print the fit test first: if the bearing's tight or loose in it, it will be in the half too.

  • Metal62.0 g · cup lip at 21.06 mm
  • Print62.0 g · cup lip at 12.34 mm
  • SettingsPETG or PLA at 100% infill, 0.12–0.16 mm layers, face down, tree supports inside the cup only
  • PartsSize C bearing, two 19 mm slim pads, M4 × 10 set screw