The full register
158 rules. Zero marketing.
Every check the Quelvorn engine runs, with the exact algorithm and the industry source behind each threshold. 127 are measured directly from your mesh. 31 need context a mesh cannot provide — and we say so instead of faking them.
- Rules
- 158
- Measured from mesh
- 127
- Categories
- 15
- Industry sources
- 20
FDM30 rules
- DF-041Overhang angleFDM / FFF
- DF-042Bridge lengthFDM / FFF
- DF-043Unsupported bridgesFDM / FFF
- DF-044Need supportFDM / FFF
- DF-045Excessive support volumeFDM / FFF
- DF-046Support accessibilityFDM / FFF
- DF-047First layer contact areaFDM / FFF
- DF-048Tall slender partsFDM / FFF
- DF-049Warping riskFDM / FFF
- DF-050Elephant foot riskFDM / FFF
- DF-051Curling riskFDM / FFF
- DF-052Large flat surfacesFDM / FFF
- DF-053Layer adhesion directionFDM / FFF
- DF-054Weak Z-axis orientationFDM / FFF
- DF-055Horizontal cylindersFDM / FFF
- DF-056Roof saggingFDM / FFF
- DF-057Unsupported roofsFDM / FFF
- DF-058Tiny islandsFDM / FFF
- DF-059Small first layersFDM / FFF
- DF-060Retraction-heavy geometryFDM / FFF
- DF-061Stringing riskFDM / FFF
- DF-062Excessive travel movesFDM / FFF
- DF-063Thin extrusion pathsFDM / FFF
- DF-064Nozzle accessibilityFDM / FFF
- DF-065Print time estimationFDM / FFF
- DF-066Material consumptionFDM / FFF
- DF-067Cooling limitationFDM / FFF
- DF-068Thermal accumulationFDM / FFF
- DF-069Corner liftingFDM / FFF
- DF-070Bed adhesion scoreFDM / FFF
Metal AM20 rules
- DF-104Downward surfacesMetal AM
- DF-105Support volumeMetal AM
- DF-106Heat accumulationMetal AM
- DF-107Thermal distortionMetal AM
- DF-108Residual stressMetal AM
- DF-109Build orientation optimizationMetal AM
- DF-110Anchor supportsMetal AM
- DF-111Support accessibilityMetal AM
- DF-112Powder evacuationMetal AM
- DF-113Thin unsupported wallsMetal AM
- DF-114Tall unsupported featuresMetal AM
- DF-115Large flat overhangsMetal AM
- DF-116Sink effectMetal AM
- DF-117Hot spotsMetal AM
- DF-118Sharp cornersMetal AM
- DF-119Lattice manufacturabilityMetal AM
- DF-120Minimum lattice strutMetal AM
- DF-121Maximum lattice strutMetal AM
- DF-122Enclosed powderMetal AM
- DF-123Machining allowanceMetal AM
SLA18 rules
- DF-071Resin cup formationSLA / DLP
- DF-072Resin trappingSLA / DLP
- DF-073Drain hole existenceSLA / DLP
- DF-074Drain hole diameterSLA / DLP
- DF-075Drain hole quantitySLA / DLP
- DF-076Hollow part detectionSLA / DLP
- DF-077Hollow wall thicknessSLA / DLP
- DF-078Suction cup effectSLA / DLP
- DF-079Peel force estimationSLA / DLP
- DF-080Unsupported islandsSLA / DLP
- DF-081Resin poolingSLA / DLP
- DF-082UV shadowingSLA / DLP
- DF-083Cure distortionSLA / DLP
- DF-084Resin shrinkageSLA / DLP
- DF-085Fragile supportsSLA / DLP
- DF-086Overexposure riskSLA / DLP
- DF-087Underexposure riskSLA / DLP
- DF-088Thin pillarsSLA / DLP
SLS/MJF15 rules
- DF-089Powder escape holesSLS / MJF
- DF-090Escape hole diameterSLS / MJF
- DF-091Powder trappingSLS / MJF
- DF-092Internal cavitiesSLS / MJF
- DF-093Part nesting spacingSLS / MJF
- DF-094Heat concentrationSLS / MJF
- DF-095Powder removal accessSLS / MJF
- DF-096Unsupported powder chambersSLS / MJF
- DF-097Wall distortionSLS / MJF
- DF-098Thin wallsSLS / MJF
- DF-099Thick solid massesSLS / MJF
- DF-100Long thin beamsSLS / MJF
- DF-101Large enclosed cavitiesSLS / MJF
- DF-102Excessive powder volumeSLS / MJF
- DF-103Neighbor interferenceSLS / MJF
Advanced AI10 rules
- DF-149Orientation optimizationAll processes
- DF-150Automatic support minimizationAll processes
- DF-151Cost estimationAll processes
- DF-152Print failure probabilityAll processes
- DF-153Material recommendationAll processes
- DF-154Process recommendationAll processes
- DF-155Multi-part splittingAll processes
- DF-156Automatic fillet suggestionAll processes
- DF-157Automatic rib suggestionAll processes
- DF-158Topology recommendationAll processes
Assembly10 rules
- DF-139Snap-fit clearanceAll processes
- DF-140Living hinge suitabilityAll processes
- DF-141Press-fit allowanceAll processes
- DF-142Sliding fitAll processes
- DF-143Screw hole sizingAll processes
- DF-144Nut pocketAll processes
- DF-145Bearing seatAll processes
- DF-146Shaft seatAll processes
- DF-147Thread manufacturabilityAll processes
- DF-148Assembly accessibilityAll processes
Geometry Integrity10 rules
- DF-001Non-manifold edgesAll processes
- DF-002Self-intersectionsAll processes
- DF-003Duplicate trianglesAll processes
- DF-004Flipped normalsAll processes
- DF-005Open meshAll processes
- DF-006Degenerate trianglesAll processes
- DF-007Tiny disconnected bodiesAll processes
- DF-008Internal shellsAll processes
- DF-009Zero-thickness facesAll processes
- DF-010Overlapping bodiesAll processes
Surface Quality10 rules
- DF-124Stair steppingAll processes
- DF-125Surface roughness predictionAll processes
- DF-126Cosmetic surfacesAll processes
- DF-127Visible support marksAll processes
- DF-128Layer line visibilityAll processes
- DF-129Sanding accessibilityAll processes
- DF-130Polishing accessibilityAll processes
- DF-131Coating accessibilityAll processes
- DF-132Texture resolutionAll processes
- DF-133Surface wavinessAll processes
Holes8 rules
Size & Bounding5 rules
Text5 rules
Walls5 rules
Corners4 rules
Gaps & Clearance4 rules
Pins4 rules
See all 158 run on your part
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