A new version of the construction set 2026.04 has been released

Changes:

• Hinge update

  • Category fixes

  • Build fixes

  • Color fixes

  • DIY AA boxes update

  • Pinned title update

    • rename

    • new sizes

    • refactoring

  • New pinned beams

  • Symmetric gear wheels update

    • all gears have marks on one side

  • New special gear wheels

  • New linear racks

  • Beams for switch

    • refactoring 13x20

    • new 9x15

    • new micro-switch 5x20

  • New plates

    • new ramp plate type

  • 5x3 o-ring wheel improvement

    • hole for screw driver

  • Tube holder beams

    • 18 mm, 3-unit and 4-unit long (best for 18650 battery)

    • 36 mm

    • 40 mm

  • New parts

    • tiles - new category

    • dowel

    • pin + 0.25 (2mm)

    • Funduino IR Line Tracker Beam

    • Pivot for 15mm ball (rename pivot to Ping-Pong pivot)

    • u part 2x4

    • angle parts

    • pcb and BYJ driver beams

    • real box like part

    • some new electro o parts

    • adapters for 8 and 8x6 mm shafts

    • t-Shaft 3 No Fork

    • beam T Shape 4x5

    • Gear 28 and Gear 28 Thin (plus and shaft hole variants)

    • Gear 18 (plus and shaft hole variants, thin variants)

    • Internal Gear 200 (complete ring part)

    • Internal Gear Part 416 and 416 Thin

    • Plate 4x7 (standard, thin, smooth, smooth thin)

  • Internal gear part 408 replaced by 416

    • wider rim (unit2 instead of unit1.5)

    • updated hole positions on gear parts 200

  • Joints - for figures

    • new category

    • old joins are connecting-rods

    • jointed beams

    • joint pins

  • Adapters update

  • Sonars HS-S04 and RCW-0001 box covers (without screws)

  • New wheels, mainly for shafts

  • New mini tool

  • Special bb-u-2x2-tr-shaft for infinity cube

  • New thin beams with channel

    • bb-b-2-th-ch (1x2), bb-b-2x2-th-ch, bb-b-3x2-th-ch, bb-b-4x2-th-ch

  • New Beam 6x2 (bb-b-6x2)

  • New Geekservo Motor Cube 5x3x3.5 (bb-mot-geek)

  • New Beam T Shape 2x2 (bb-t-2x2)

  • New Screw M3x16 (sc-M3x16)

  • Fixes

    • Motor adapter thin for shaft: name fix

    • Wheel 1.5 shaft: geometry adjustment

    • Geek servo: color changed to orange, shaft height fix

    • T-shaft: base cylinder diameter reduced

    • Fix plus_hole() dimensions (4.9×2 → 4.9×1.9) for tighter fit

    • Fix wheel profile height calculation in bb-wh-3-shaft.scad

    • Rail curves 22.5° and 45°: corrected radius and connector positions (slightly larger angle)

  • New motor mounts

    • N20 mini gear motor cube (renamed from bb-mot-mini-gear)

    • Pololu motor 20D, 25D, 37D mounts

  • Battery models

    • Li-Pol cube battery

    • Li-Ion 18650 battery

  • New Beam 2 for LED 3mm (bb-bd-led3-2)

  • New o-beams for electro boards

  • Track chain rework (not backward compatible)

    • new track chain grousers (bb-tr-chain-gr-1x4)

    • new Track Wheel size 3 (bb-wh-track-3)

  • Hubcup sizes update

    • renamed to include size: bb-hubcup-3-plus, bb-hubcup-3-shaft

    • new Hubcup size 4: bb-hubcup-4-plus, bb-hubcup-4-shaft

  • Filament support parts

    • Filament 25 mm and 30 mm

Available for download:

• STL

• LDraw