What is infill in 3D printing?
Infill is the internal structure of a 3D model between outer walls. Set as a percentage (0-100 %) and pattern (grid, gyroid, honeycomb). Higher infill = stronger but heavier and slower-printed part.
How infill works
Infill saves filament and time - the model isn't fully solid inside, but has a grid/honeycomb structure. With correct percentage the model holds firm but saves up to 50-70 % of filament vs solid print.
Pattern types
- Grid / Rectilinear - fastest, basic strength
- Gyroid - 3D pattern, strength in all directions
- Honeycomb - highest strength/weight ratio
- Lightning - minimal infill, max speed
- Cubic / Octet - uniform strength
How to set the right percentage
- 10-15 % - decorations, figurines
- 20-25 % - regular functional parts
- 40-60 % - mechanically stressed
- 80-100 % - gears, shafts
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