3D Printing InfoBuild volume
180 x 180 x 165 mm
Advertised dimensions; check usable space and variants.
Sources & dates
- LDO Positron v3.2 3D Printer Kit · 2026-08 · vendor
Positron V3.2
Folding, portable inverted CoreXY that prints upside-down onto a glass bed and packs into a hard case.
Architecture reference
Start here
Explore this printer At a glance
Nozzle temperature
260 °C maximum (manufacturer claim)
Published limits; hardware and firmware limits may differ.
Sources & dates
- LDO Positron v3.2 3D Printer Kit · 2026-08 · vendor
Price snapshot
Not recorded in this catalog.
Dated listing, not a live offer. Read the configuration and region.
A closer look
Full specifications inside each chapterHardware, software & ownership
Understand the hardware, explore compatible changes and find a diagnostic starting point when something goes wrong. Expand the specification sections for every recorded value, condition and original reference.
Machine & motion
Dimensions, construction and the hardware that moves the print.
Model, variants & pricing2 fields
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Manufacturer & exact marketed model name (verify the exact product identity first) | LDO Positron v3.2 3D Printer Kit, revision v3.2 Rev A | 1 source
|
| Variants & sibling models — and how to tell them apart (spec-contamination risk) | The defining trait is the inverted geometry: the print head is below the bed and the machine prints upside down. Sold as a self-assembly kit; the complete printed-parts set is a separate purchase. A hard storage case is included | 1 source
|
Size, frame & enclosure5 fields
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Build volume X×Y×Z (mm) — advertised vs actually usable | 180 x 180 x 165 mm | 1 source
|
| Machine footprint (mm) & clearance needed (cable/spool overhang) | 200 x 200 x 70 mm folded, 200 x 200 x 270 mm unfolded | 1 source
|
| Net weight (kg) | 3 kg net; 5.5 kg with the hard case | 1 source
|
| Frame construction & material | Folding frame designed to fit in a filament box; supplied with a black hard case | 1 source
|
| Enclosure: open / enclosed; panel material; door/lid | Open frame | 1 source
|
Update an early kit’s Z tension-arm assembly
The revised tension arm is documented as standard from Batch 3 onward. The project says Batch 1 and 2 kits contain the parts needed to build it and supplies the revised printed components and assembly notes.
Applies to: LDO / Positron V3.2 Batch 1 or 2 following the project’s current Z tension-arm documentation; check the specified pivot fasteners and spring arrangement.
Maintainer documentation Sources & dates
- Positron — new Z tension arm · Checked 2026-10-20
Motion system1 field
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Kinematics (bedslinger i3 / CoreXY / other) | CoreXY, inverted — the machine prints upside down | 1 source
|
Speed & acceleration2 fields
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Max print speed (claimed, mm/s) | 250 mm/s maximum print speed (manufacturer claim) | 1 source
|
| Max acceleration (claimed, mm/s²) | 8,000 mm/s2 (manufacturer claim) | 1 source
|
Printing system
Extrusion, heating, leveling and material handling.
Extruder1 field
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Type (direct drive / bowden) & design name | Bowden-style, single extrusion | 1 source
|
Hotend & nozzle3 fields
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Hotend design (proprietary/standard; quick-swap mechanism?) | PS plated-copper nozzle, 0.4 mm | 1 source
|
| Max nozzle temp claimed AND firmware max temp limit (both values) | 260 °C maximum (manufacturer claim) | 1 source
|
| Stock nozzle material (brass / hardened steel / plated copper / composite tip) | Plated copper | 1 source
|
Build plate & heating2 fields
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Max bed temp claimed AND firmware limit | 85 °C maximum bed temperature — the lowest in this group, and the reason the material list stops at PETG | 1 source
|
| Bed surface (material, texture, coating), single/double-sided | Heated removable ITO glass bed | 1 source
|
Early or hard homing: check the sensor and configuration match
The maintainer documents sensitivity-dependent X/Y sensorless homing and two different Z-homing arrangements. It also notes unreliable IR probing with glass beds. Compare the installed switch/probe with the configuration before changing calibration.
Applies to: V3.2 configurations. The default Z setup uses a microswitch; some builds have an IR probe and need a different configuration.
Maintainer documentation Sources & dates
- PositronConfig — Klipper configuration and homing notes · Checked 2026-10-20
Cable-chain conversion parts for the V3.2 assemblies
The project publishes a cable-chain modification with revised extruder body/bottom plate, toolboard cover and assembly CAD. Review the complete matched assembly before printing individual parts.
Applies to: V3.2 cable-chain mod V0.1 files. The repository does not establish that every older or V3.2.2 extruder variant is interchangeable.
Maintainer documentation Sources & dates
- Positron — Cable Chain Mod · Checked 2026-10-20
Supported materials1 field
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Officially supported filament list | PLA and PETG only, per the manufacturer | 1 source
|
Software & workflow
Firmware, controls, connections and calibration.
Electronics & power2 fields
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Mainboard model & MCU (exact chip markings if teardowns exist) | LDO Positron mainboard | 1 source
|
| PSU (brand, wattage, rail voltage) | DC 24 V, 200 W | 1 source
|
Use the maintained Positron Klipper configuration
The project maintains Klipper, Moonraker and screen configuration separately from the mechanical design. Preserve the machine’s existing calibration and select the installed Z-homing hardware when adopting updates.
Applies to: Positron V3.2 by Positron3D / LDO. This is not a configuration for the distinct Positron LT derivative.
Maintainer documentation Sources & dates
- PositronConfig — Klipper configuration and homing notes · Checked 2026-10-20
Firmware & openness1 field
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Firmware base & current version (Klipper fork / Marlin fork / proprietary) | Klipper | 1 source
|
Connectivity, display & camera2 fields
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Display: size, type, touch? | 3.5-inch LCD touchscreen | 1 source
|
| WiFi (band/standard), Ethernet, USB ports, SD/flash-drive | Wi-Fi, USB, Ethernet | 1 source
|
Calibration & everyday use1 field
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Assembly level & time from unbox to first print | Self-assembly kit, manufactured in China | 1 source
|
Read with context
Sources & notes
How to read this guide
This guide presents the catalog’s sourced record for this exact model. Source dates belong to each reference; a page update does not mean every specification has been rechecked.
Prices are dated listing snapshots, with configuration, regional and sale conditions. They are not current offers. Unknown values remain unfilled.
Firmware, variants and available accessories can change. Read the original reference before making a purchase or planning a process.
Catalog references1 source
- LDO Positron v3.2 3D Printer Kit · 2026-08 · vendor
Ownership research & coverage
Firmware, modifications and troubleshooting links are checked against the model and stated hardware or firmware revision. A creator’s compatibility claim is not a fit test by this site. Official troubleshooting describes a diagnostic route; individual reports do not establish a failure rate.
- Positron3D — V3.2 / V3.2.2 source project · Checked 2026-10-20
- PositronConfig — Klipper configuration and homing notes · Checked 2026-10-20