OBS CHANGELOG

v2026.10

Base Builder is live, plus trays and new bases

You can now design your own bases and trays in our OBS Base Builder, plus 54 new tray adapters, ABS 50×25 mm slotted bases and a new 120×60 mm size.

ABSBasesBuilderPETGTrays

OBS 2026.10: Base Builder is live, plus trays and new bases

October was all about the Base Builder: it went live on 7 Oct, and by the end of the month it could do seven shapes and movement trays too. Alongside it came a new injection-moulded 50×25 mm base in ABS, 54 more tray adapters and a completely new 120×60 mm size.

Added

  • 7 Oct You can now design your own custom base online, check it in a live 3D preview and add it to your normal cart. We 3D print every base to order, and it's all live now in the OBS Base Builder.
  • 7 Oct What the Base Builder could do on day one: round, square, rectangle and oval; 10–300 mm in 0.1 mm steps (above 290 mm the page asks you to get in touch for a quote); 3–10 mm tall; open underneath with 1–3 mm walls, or closed; straight or 10° sloped sides; PLA or PETG; a smooth or textured top (textured needs PETG); in black, 1–50 bases per set.
  • 14 Oct A big step for us: a new injection-moulded base. These are 50×25 mm rectangle slotted bases in ABS, injection-moulded rather than 3D printed, in packs of 1 to 100. 50x25mm Rectangle Slotted Plastic Bases
  • 14 Oct New in the Base Builder: a pill shape. You set the long and short side yourself, each from 10 to 300 mm.
  • 16 Oct Two more shapes in the Base Builder: hexagon (measured flat to flat, 10–259.8 mm) and equilateral triangle (side 10–300 mm). That makes seven shapes in all.
  • 21 Oct The movement tray adapters, square to square and rectangle to rectangle, have grown the same way September's trays did: 54 new variants. If you haven't used one, an adapter lets bases of one size sit in a tray for the next size up. Square and Rectangle Movement Tray Adapters for Tabletop Games
  • 21 Oct The new adapter sizes, so you can find yours: 20 → 25 mm square: 8×5, 8×6, 9×1 to 9×6 and 10×1 to 10×6, to match the larger September trays; 25 → 30 mm square: 8×6 and 9×1 to 9×6; 30 → 40 mm square, a new size pair: 13 formations, 2×1 to 5×4; 40 → 50 mm square, also a new pair: 14 formations, 2×1 to 5×5; 50×25 → 60×30 mm rectangle: 2×3, 2×4, 3×4, 4×4 and 5×4, plus a 10-base lance formation.
  • 22 Oct The Base Builder now has a Movement Trays module for square and rectangle bases. You set the inside length and width (10–296 mm), wall width 2–5 mm, wall height 1–10 mm and floor 1–5 mm, up to 300×300 mm outside, and we print it in black PLA.
  • 22 Oct If you'd rather not do the maths, the trays module has an optional base helper. Give it your base shape and size (rectangles can stand short side or long side along the line), then the bases in a line and the number of lines (1–30 each), and it sizes the tray for you with the recommended spare room (at least 0.4 mm) added. It shows how many bases the tray holds, warns you if there's less spare room than recommended and stops you going past the 300 mm limit.
  • 23 Oct A completely new size in the range: 120×60 mm rectangle plain bases. They share their 60 mm width with our 100×60 mm rectangle and suit war machines, chariots, artillery with crew, long monsters, and command or objective stands. For now we 3D print them in black PETG, with an open ribbed underside that leaves room for magnets or weight. 120x60mm Rectangle Plain Bases 3D Print

On the bench

  • We're working on an injection-moulded ABS version of the 120×60 mm base.
  • We'll keep growing the movement trays and adapters into larger formations.

Images

Close-up of black 50×25 mm rectangle slotted bases with two parallel slots and a fine textured top
50×25 mm ABS slotted bases
Render of a black 120×60 mm rectangular plain base with a bevelled edge
The new 120×60 mm rectangle plain base
Black square and rectangle movement tray adapters, several holding painted rank-and-file miniatures
Square and rectangle tray adapters in use

Suggest an improvement

A size, a shape or a converter you're missing? Many of the additions above started as a customer's message.

Comments

Leave a comment

Comments are read before they appear.