Parallel Chord Truss Frame with JKR Spec Board

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Bounding box: 11644.6 × 13189 × 342.6 mm
Engine: 3D Printing B-rep
Parameters: 31
Published: November 12, 2026

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The prompt

Create a large, flat 3D structural specification board and place it on the ground next to the roofing frame. Format this board like a JKR drawing material schedule. Engrave a table onto it with three columns: 'ITEM', 'MATERIAL SPEC (RHS/SHS)', and 'DIMENSION (mm)'. Fill the table with the exact tubing sizes and lengths used for the main trusses, the front connector truss, and the cross-beams. Make the text 200mm tall.

Parameters

Name	Value	Range
Main truss length - 38 ft	11582 mm	4000 – 20000
Truss depth - 1 ft	305 mm	100 – 600
Chord tube width - 1.5 in	38.1 mm	10 – 80
Chord tube height - 2.5 in	63.5 mm	10 – 120
Diagonal square tube - 1 in	25.4 mm	10 – 60
Diagonal panel pitch	1287 mm	200 – 3000
End plate thickness	8 mm	3 – 20
End plate width	50 mm	20 – 120
End plate mounting hole dia	12 mm	4 – 30
Number of main trusses	5 mm	2 – 12
Main truss spacing in Y	2591 mm	500 – 6000
Front connector truss length - 34 ft	10363 mm	2000 – 20000
Number of cross beams	10 mm	2 – 30
Cross beam square tube - 1.5 in	38.1 mm	10 – 80
Cross beam length	10363 mm	2000 – 20000
Embossed label text height	20 mm	8 – 60
Label plate height	55 mm	20 – 120
Label plate length	480 mm	100 – 1200
Label plate thickness	3 mm	1 – 8
Embossed text height	1.2 mm	0.6 – 3
Label start position along truss	120 mm	0 – 2000
BOM placard length	640 mm	200 – 2000
BOM placard height	170 mm	60 – 400
BOM placard thickness	3 mm	1 – 8
BOM text height	16 mm	6 – 40
Board engraved text height	200 mm	100 – 400
Spec board length	9500 mm	4000 – 20000
Spec board depth	2400 mm	1000 – 6000
Spec board thickness	50 mm	10 – 200
Engraving depth	5 mm	1 – 20
Distance from frame in Y	-2800 mm	-10000 – -500

Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.

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