Printers/FDM

Elegoo Neptune 4 build volume and fit check

The Neptune 4 has a nominal 225 × 225 × 265 mm build volume. The 265 mm Z height is generous for a bed-slinger, while the 225 mm square plate is close to an Ender 3 footprint. It is a good machine for tall prototypes, but the moving bed and open frame still reward a conservative orientation.

225 × 225 × 265 mmFDMNo upload

Build volume

225 × 225 × 265mm

Process
FDM
Specs verified
2026-11-01
Build volume & fit check

Build volume & fit check

Check a model against this build volume

Nominal build volume. Usable area can be smaller with purge lines, brims, or the exact slicer profile.

Build volume & fit check

No upload

Elegoo Neptune 4

225 × 225 × 265 mm · FDM

Build volume
225 × 225 × 265 mm
Process
FDM
XY clearance per side (mm)
0 mm
Model units
Millimetres

Drop a model to check the bed

STL, OBJ, PLY, 3MF, GLB, glTF, or a .gltf with all of its .bin companions. Files are read locally.

Model units · XY clearance per side (mm)

Nominal build volume. Usable area can be smaller with purge lines, brims, or the exact slicer profile.

Drop a model to check the bed

STL, OBJ, PLY, 3MF, GLB, glTF, or a .gltf with all of its .bin companions. Files are read locally.

Choose a file

Max file size: 500 MB · No upload

Removed from the usable bed width and depth; the Z height is not reduced.

No upload · Worker

Printer specifications

Build volume
225 × 225 × 265 mm
Process
FDM
Height
265 mm
Model variants
Neptune 4

Nominal build volume. Usable area can be smaller with purge lines, brims, or the exact slicer profile.

Model-specific limits

  • The bed moves in Y, so tall parts can sway during fast moves. The checker measures dimensions, not print stability.
  • A 225 mm plate leaves little space for a brim or purge line at the edge; add clearance when using the full footprint.
  • The open frame is best suited to PLA and PETG. ABS/ASA need an enclosure and controlled cooling.

What fits

Tall prototypes

The 265 mm Z height is useful for vertical housings, brackets and test stands that would be too tall on a 220 mm machine.

Everyday PLA/PETG parts

The 225 mm square plate handles most functional prints, with a familiar bed-slinger workflow.

Multi-part fixtures

Split a long fixture across the plate or rotate it to use the 265 mm height; the fit result shows the best axis order.

Orientation tips

  • Use a 5 mm XY clearance near 225 mm; a skirt or brim can push a marginal part over the edge.
  • For tall parts, slow down the outer wall and add a wider base rather than trusting a dimensional fit alone.
  • Confirm the exact Neptune 4 revision in the slicer; profiles and usable areas can change between variants.

Questions

References

Specs verified: 2026-11-01

Independent compatibility tool. Not affiliated with the printer manufacturer; verify the exact printer profile in your slicer before printing.