What’s new

Scratch paper, now with 2D CAD

Version 2.0 gives the app a new name and a second toolbar. The sketching you know is all still there, and the CAD tools are one switch away in Settings → Tools.

Two toolbars

• Sketch has the pens, highlighter, eraser, lasso, ruler and drag-to-fill.
• CAD adds Select, Line, Measure, Shape, Modify, Constrain, Text and Layers.

CAD tools

• Lines, boxes, circles, ellipses, arcs and curves that stay editable. Drag a corner and joined lines follow.
• Snaps to ends, midpoints, centres, intersections, quadrants and curves, plus tangent, perpendicular, parallel and polar.
• Modify trims, extends, fillets, chamfers and offsets. Select moves, copies, rotates, mirrors, scales and arrays.
• Up to 10 layers a page, each one shown, hidden or locked.
• Text labels.

Dimensions that know their length

• Measure labels each dimension with its length, in mm, cm, m, inches or feet and inches.
• Radius and diameter dimensions, and a page scale that relabels every dimension at once.
• Tap a label to type a length and the line resizes to it.

Pencil-first constraints

• Write a number by a line, circle or angle and it becomes a driving dimension.
• Draw tick, arrow and corner marks for equal, parallel and square.
• Hold a scribble still to turn it into clean, constrained lines.
• Finish adds whatever a sketch is missing. Fully defined sketches turn green.
• When constraints clash, a card names the clash and offers a fix.

Import and export

• Trace a photo, a scan or a PDF page on a locked underlay, and set its scale with two taps.
• Open DXF and SVG drawings as editable shapes.
• Export PDF to scale on Letter or A4, SVG in mm or inches, and DXF with layers and colours.

Everywhere else

• iCloud sync, and a PencilCAD viewer for iPhone.
• Pages twice the size of the screen, with zoom from the whole page to 8×.
• Pencil hover previews, squeeze and barrel roll on Apple Pencil Pro, and keyboard shortcuts.
• A new icon.