cadmpeg-codec-step 0.6.8

Read and write ISO 10303-21 STEP Part 21 files for AP203, AP214, and AP242.
Documentation 
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ISO-10303-21;
HEADER;
FILE_DESCRIPTION(('AP-02 named nominal reordered'),'2;1');
FILE_NAME('ap02-named-nominal-reordered','2026-08-16T00:00:00',('cadmpeg'),('cadmpeg'),'cadmpeg-step','','');
FILE_SCHEMA(('AP242_MANAGED_MODEL_BASED_3D_ENGINEERING_MIM_LF'));
ENDSEC;
DATA;
#1=(LENGTH_UNIT() NAMED_UNIT(*) SI_UNIT(.MILLI.,.METRE.));
#4=(NAMED_UNIT(*) PLANE_ANGLE_UNIT() SI_UNIT($,.RADIAN.));
#2=(GEOMETRIC_REPRESENTATION_CONTEXT(3) GLOBAL_UNIT_ASSIGNED_CONTEXT((#1,#4)) REPRESENTATION_CONTEXT('model','3D'));
#3=PRODUCT_DEFINITION_SHAPE('PMI shape','',$);
#6=SHAPE_ASPECT('feature','',#3,.T.);
#10=DIMENSIONAL_SIZE(#6,'width');
#11=(LENGTH_MEASURE_WITH_UNIT() MEASURE_REPRESENTATION_ITEM() MEASURE_WITH_UNIT(POSITIVE_LENGTH_MEASURE(11.8),#1) REPRESENTATION_ITEM('lower limit'));
#12=(LENGTH_MEASURE_WITH_UNIT() MEASURE_REPRESENTATION_ITEM() MEASURE_WITH_UNIT(POSITIVE_LENGTH_MEASURE(12.2),#1) REPRESENTATION_ITEM('upper limit'));
#13=(LENGTH_MEASURE_WITH_UNIT() MEASURE_REPRESENTATION_ITEM() MEASURE_WITH_UNIT(POSITIVE_LENGTH_MEASURE(12.0),#1) REPRESENTATION_ITEM('nominal value'));
#14=SHAPE_DIMENSION_REPRESENTATION('limits',(#12,#11,#13),#2);
#15=DIMENSIONAL_CHARACTERISTIC_REPRESENTATION(#10,#14);
ENDSEC;
END-ISO-10303-21;