Documentation: LDraw.org Library Sticker Box Standard

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Maintained by: LDraw.org Library Administrators
Revision: 22-Jul-2025

Revision History:
22-Jul-2025: Original

This is an ratified, official LDraw.org document. Non-adminstrative changes can only be made with the approval of the maintainer.

Sticker backing boxes

The backing box is defined as the sides and bottom surface of the sticker

For most stickers, the surface of the sticker is intended to be applied to an entire face of a single part. In this case, the size of the sticker should be that the edge of the sticker is 2 ldu from the edge of the part face. If actual, measured sticker size is +/- 1 ldu from this standard then the sticker should be modeled to the standard. Exceptions to this rule will be handled on a case by case basis.

Flat Stickers

For Quadrilaterals:

The backing boxes for older, sharp cornered stickers should be modeled with an appropriately scaled box5-12.

Newer stickers have rounded instead of sharp cut corners. The radius of standard rounded corners will be 1.5 LDU. All stickers with standard rounded corners shall use a subfile located in the parts/s/ directory with the following naming convention:

stickerback<ZZZ>x<XXX>.dat

Where: <ZZZ> and <XXX> are a 3 digit numbers representing the Z width (for ZZZ) and X width (for XXX) of the sticker. The value of this number is LDU/20 rounded to the nearest tenth. A leading zeros will be added for a number less than 10. Example: if the Z width of the sticker is 143 ldu, ZZZ is 072.

Orientation should follow the general sticker orientation requirements.

Other Shapes:

Circular and oval shaped stickers should use an appropriately scaled 4-4cylc3

Stickers with irregular shapes should use quads and triangles with conditional lines where appropriate.

Formed Stickers

Formed sticker backs should use the following format:

<part number>bNN.dat

Where: <part number> is the number of the part to which the sticker is formed NN is a 2 digit number with leading zeros starting at 01

Formed sticker backs should be reused as much as possible. A new sticker back should not be created simply to conform to this numbering requirement

Table of Contents

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