Release notes
Follow the development of 3xD, with release notes covering changes, compatibility and validation status, plus the preserved OpenMini v1 baseline.
Each entry records its release status and any outstanding physical checks. Superseded candidates remain available as history; publishing a candidate does not approve the design.
3xD 1.6-rc1 release notes
10 November 2026 · Release candidate · Pending approval
Compared with complete 1.5-rc2: four caster-specific upper braces become two camber-only braces, each compatible with 4° and 7° caster arms. 43 STL selections per chassis setup; all 41 non-brace selections unchanged. Complete downloads included.
3xD 1.5-rc2 release notes
10 November 2026 · Release candidate · Pending approval
Compared with complete 1.2-rc3: faceted battery sliders, matching two-row dot markings on all focused arms and upper braces, and 5 mm front springs. Thirteen STL selections changed; 32 unchanged. Complete paired kits and CAD close-ups included.
3xD 1.2-rc3 release notes
10 November 2026 · Release candidate · Pending approval
Compared with the previous complete 1.0-rc2 release: 3xD battery-logo cutout, swept front blades, rear chevrons and lower spring pockets widened by 5 mm. Replace chassis and both rails; the other 42 STL selections are unchanged. Complete paired downloads and CAD pictures included.
3xD 1.2-rc2 release notes
10 November 2026 · Release candidate · Superseded by 1.2-rc3
Logo centred under the battery, mirrored to read from underneath, with D bridges widened to 3 mm. Selected front blades and rear chevrons retained. Supersedes 1.2-rc1.
3xD 1.2-rc1 release notes
10 November 2026 · Release candidate · Superseded by 1.2-rc2
Owner-selected 3xD battery logo, swept front blades and rear chevron chassis cutouts. Paired 3 mm GRP and 4 mm printed replacement plates; large motor opening and mounting interfaces retained.
3xD 1.1-rc1 release notes
10 November 2026 · Release candidate · Pending approval
Lower side-spring pockets widened by 5 mm in diameter, with wider rims and unchanged seating height. Replacement side rails for both chassis setups; physical seating and body clearance pending.
3xD 1.0-rc2 release notes
10 November 2026 · Release candidate · Pending approval
Complete current part inventories for the 3 mm GRP and 4 mm printed chassis, with 45 distinct STL files per setup, hardware lists and validation records. No geometry change from rc1.
3xD 1.0-rc1 release notes
10 November 2026 · Release candidate · Superseded by 1.0-rc2
The first tracked 3xD baseline: design changes from OpenMini v1, followed by corrected wheelbase, centred arms, servo-saver spacers and M3 clearances. Partial update packs; superseded by rc2.
OpenMini v1
Original release date unrecorded · Historical baseline
The preserved all-printed OpenMini v1 configuration: 15 distinct parts across five saved print plates, including spares. Original release date and approval status are unrecorded.