# Features

Manufacturing reference articles in Features.

[Manufacturing Wiki](https://planar.so/wiki/index.md)

- [Bend reliefs](https://planar.so/wiki/parts-and-design/features/bend-reliefs.md): Cuts that separate local bend regions: placement, dimensional references, CAD rules and fabrication acceptance.
- [Blind holes](https://planar.so/wiki/parts-and-design/features/blind-holes.md): Non-through holes: usable bore and thread depth, drill-point geometry, remaining wall, chip evacuation and inspection requirements.
- [Clearance fits](https://planar.so/wiki/parts-and-design/features/clearance-fits.md): Calculating limit clearance, reading hole/shaft tolerance classes and preserving functional clearance through manufacture and service.
- [Corner reliefs](https://planar.so/wiki/parts-and-design/features/corner-reliefs.md): Process-specific cutouts that provide clearance at sheet-metal bend intersections or machined internal corners.
- [Counterbored holes](https://planar.so/wiki/parts-and-design/features/counterbored-holes.md): Cylindrical recesses with seating shoulders: fastener clearance, depth references, remaining material and machining acceptance.
- [Countersunk holes](https://planar.so/wiki/parts-and-design/features/countersunk-holes.md): Specify conical fastener seats by angle, diameter, face and remaining material, with fabrication and inspection requirements.
- [Cross holes](https://planar.so/wiki/parts-and-design/features/cross-holes.md): Intersecting-hole geometry, interrupted machining, internal edge acceptance and inspection for cross-drilled parts.
- [Deep cavities](https://planar.so/wiki/parts-and-design/features/deep-cavities.md): Designing machined cavities around tool reach, corner access, chip removal and the required finished geometry.
- [Embossed features](https://planar.so/wiki/parts-and-design/features/embossed-features.md): Local sheet-metal forms: geometry, process distinctions, tooling limits and functional acceptance.
- [Hems](https://planar.so/wiki/parts-and-design/features/hems.md): Folded sheet-metal edges: hem styles, gap and return dimensions, forming constraints and finished-part acceptance.
- [Internal pockets](https://planar.so/wiki/parts-and-design/features/internal-pockets.md): Accessible recesses and cavities: tool access, corner and floor geometry, depth, remaining walls and functional inspection.
- [Joggled flanges](https://planar.so/wiki/parts-and-design/features/joggled-flanges.md): Specifying local flange offsets for overlapping parts, with defined surfaces, runouts, tooling and assembly tolerances.
- [Keyways](https://planar.so/wiki/parts-and-design/features/keyways.md): Shaft and hub slots for keyed connections: dimensions, fits, manufacturing access and separate strength checks.
- [Knurled surfaces](https://planar.so/wiki/parts-and-design/features/knurled-surfaces.md): Specify knurl pattern, pitch basis, process and finished envelope without confusing tool pitch with surface finish.
- [Louvers](https://planar.so/wiki/parts-and-design/features/louvers.md): Formed sheet-metal ventilation features: geometry, forming access, airflow area and boundaries of performance claims.
- [Press fits](https://planar.so/wiki/parts-and-design/features/press-fits.md): Specifying interference joints through size limits, material response, assembly control and demonstrated retention.
- [Reamed holes](https://planar.so/wiki/parts-and-design/features/reamed-holes.md): Finished-hole requirements, reamer selection, pre-hole allowance and inspection boundaries.
- [Splines](https://planar.so/wiki/parts-and-design/features/splines.md): Shaft/hub spline geometry, fit, engagement and inspection, with bounded standard and catalogue references.
- [Tapped holes](https://planar.so/wiki/parts-and-design/features/tapped-holes.md): Internal thread requirements: callouts, cutting versus forming, pilot geometry, usable depth and inspection.
- [Thin walls](https://planar.so/wiki/parts-and-design/features/thin-walls.md): Evaluating wall thickness with unsupported span, material, manufacturing process and final functional requirements.
- [Through-holes](https://planar.so/wiki/parts-and-design/features/through-holes.md): Holes that pass through the intended material: function, extent, breakthrough, edge condition and inspection.
- [Transition fits](https://planar.so/wiki/parts-and-design/features/transition-fits.md): Fits permitting either clearance or interference: limit calculations, assembly consequences and inspection requirements.
- [Undercuts](https://planar.so/wiki/parts-and-design/features/undercuts.md): Recessed or overhung features: machining access, relief-groove callouts, molding release and inspection boundaries.
- [Weld preparations](https://planar.so/wiki/parts-and-design/features/weld-preparations.md): Defining joint edges, root geometry, cleanliness and fit-up without substituting a preparation sketch for a welding procedure.