Print bed batch arrangement calculator

Calculate batch count and batch placements [ID,x,y,width,depth,rotation] with your own figures.

Your numbers

Use the units shown. Results update as you change valid inputs.

Use batch count and batch placements [ID,x,y,width,depth,rotation] to compare changes to your inputs. The method and limits below explain the scope.

Examples

Examples

Try the starting example

Bed width (mm)
100
Bed depth (mm)
100
Objects JSON [ID,width mm,depth mm]
[["A",40,40],["B",40,40],["C",40,40],["D",40,40]]
Bed edge margin (mm)
5
Object separation (mm)
5
Exclusions JSON [x,y,width,depth] in usable-bed coordinates (mm)
[]
Batch count
1
Batch placements [ID,x,y,width,depth,rotation] (mm)
[[["A",5,5,40,40,0],["B",50,5,40,40,0],["C",5,50,40,40,0],["D",50,50,40,40,0]]]
Total objects
4

Try another scenario

Bed width (mm)
100
Bed depth (mm)
100
Objects JSON [ID,width mm,depth mm]
[["A",50,50],["B",50,50],["C",50,50]]
Bed edge margin (mm)
5
Object separation (mm)
5
Exclusions JSON [x,y,width,depth] in usable-bed coordinates (mm)
[]
Batch count
3
Batch placements [ID,x,y,width,depth,rotation] (mm)
[[["A",5,5,50,50,0]],[["B",5,5,50,50,0]],[["C",5,5,50,50,0]]]
Total objects
3
Calculation method

Calculation method

Batch count

Repeated bottom-left packing on usable bed, input order, permitting 90° rotation.

Batch placements [ID,x,y,width,depth,rotation] (mm)

Return coordinates offset by edge margin; preserve exclusions and requested pair separation.

Total objects

Input row count.

Symbols and units
a
Bed width (mm)
b
Bed depth (mm)
c
Objects JSON [ID,width mm,depth mm]
d
Bed edge margin (mm)
e
Object separation (mm)
f
Exclusions JSON [x,y,width,depth] in usable-bed coordinates (mm)

Use the units shown. A list keeps the order in which you enter its values. The symbol ^ means “raised to the power of”.

Assumptions & limits

Assumptions & limits

  • Axis-aligned rectangular bounding boxes, fixed exclusion zones and separation. Not collision planning for sequential printing, thermal analysis, brim/support clearance or optimal packing. Supported limits: 1..50 unique items; positive dimensions; margins leave positive bed; exclusion rectangles contained in usable bed, nonnegative gap; fail if item cannot fit alone.
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