OBS CHANGELOG

OBS changelog

What changed in the Open Basing System, release by release.

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  1. v2026.11

    120×60 mm converters and bigger tray adapters

    Two converters up to 120×60 mm, 97 new round to square tray adapters in three listings, and links between all our tray listings.

    BuilderConvertersTrays

  2. 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

  3. v2026.09

    Larger movement trays and 300 mm bases

    39 new square and rectangle movement tray sizes, plus 300 mm round and square bases, as our new large 3D printers let the range grow.

    BasesTrays

  4. v2026.08

    New base converters and bigger oval packs

    New 3D-printed base converters, round to round, round to square and oval to rectangle, plus 60×35 mm ABS oval bases in larger packs.

    ABSBasesConverters

  5. v2026.07

    Oval to rectangle adapters and formation trays

    Oval to rectangle movement tray adapters in 53 variants, plus four mixed-size formation trays for round bases with a larger leader seat.

    Trays

  6. v2026.06

    New Hollow Bases for resin and water effects

    A new Hollow Bases range with a recessed top for resin and water effects, plus 25 mm round ABS slotted bases in smaller packs.

    ABSBases

  7. v2026.05

    ABS oval plain bases in bigger packs

    Our injection-moulded ABS oval plain bases now come in bigger packs: the 90×52 mm and 75×42 mm sizes go up to packs of 100.

    ABSBases

  8. v2026.04

    A 60 mm round base with three 25 mm slots

    A 3D-printed 60 mm round base with three 25 mm round slots, which also works as a small movement tray.

    BasesTrays

  9. v2026.03

    Square to rectangle converters and a better fit

    The full range of square to rectangle base converters, and a better fit for our 120×95 → 150×100 mm converters.

    Converters

  10. v2026.02

    Ovals, PETG bases and reworked flying bases

    The 50×25 mm oval bases and four PETG sizes you asked for, new oval and pill converters, and reworked 60 mm flying bases and 130 mm bases.

    BasesConvertersPETG

  11. v2026.01

    The full pill base range and new converters

    The full pill base range with over 130 variants, new pill and 20 mm round-to-square converters, and 5×2 and 5×4 movement tray adapters.

    BasesConvertersTrays

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