LPub3D is an Open Source WYSIWYG editing application for creating LEGO style digital building instructions.

LPub3D uses the LDraw parts library, the most comprehensive library of digital Open Source LEGO bricks available and reads the LDraw LDR and MPD model file formats.

LPub3D features:

Integrated 3D Viewer powered by LeoCAD
Integrated image renderers (LDGlite, LDView and POV-Ray) - no more additional installs
Renderer config files accessible from the LPub3D user interface
Custom LDraw library LDConfig (part material) file can be passed to LDGlite and LDView renderers
Set ROTSTEP (step rotation) meta using 3D Viewer
Sort PLI/BOM by part size, color and category
Fade previous step's parts
Unlimited part list (PLI) annotations
Split the BOM (divide parts over number of BOM occurrences)
"Go To" page navigation and submodel display via drop-down dialog
Automatically generate formatted cover pages
POV-Ray high-quality rendered instructions
LGEO high-quality rendering library support and auto detection
Customizable content page header and footer
Text and picture (e.g. logo) front and back page attributes
Print/Export preview
Standard and custom page size options
PDF, PNG, JPG and BMP export formats
On-demand, software and LDraw archive library updates

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