Help & how-to
2D CAD tools in BenCAD
How each BenCAD tool works, step by step, with a picture from the app. BenCAD is free online 2D CAD that runs in your browser on a phone, tablet or desktop.
START DRAWING — FREEDraw
LineStraight lines with snappingArcThree-point arcsCurve (spline)Smooth curves through pointsRectangleBoxes and rooms in one dragPolygonRegular shapes, any number of sidesCircleCentre and radiusEllipseOvals by width and heightBlocks PRODoors, windows, fixtures, furniture
Select
Modify
Offset PROParallel copy at an exact distanceMirror PROFlip a copy across any lineCopy PROTap to place copiesRotateExact angle or freehandResizeType an exact length or size
Edit
TrimCut lines back to where they crossExtendLengthen a line to meet an edgeFillet PRORound a corner to an exact radiusChamfer PROCut a corner with an angled lineJoinMake one shape from many linesExplode PROBreak shapes into linesHatch & fills PRO27 patterns: brick, insulation, tilesScale PROBigger or smaller, by factor or length
Annotate
DimensionsLinear, angle, radius, diameterCentre marks PROMark centres and centre linesRoom labelsRoom name and floor areaTextNotes, sizes and coloursLeaders PROArrow callouts with notesFreehand PROSketch and mark up by handAreaTap inside to measure m²
Precision
SnapGrid, end points, tangents, orthoGridShow, hide and size the gridUnits & scaleMillimetres per grid, metric or imperial
Files & output
DXF import PROOpen DXF files from other CADDXF export PROSave for AutoCAD, CNC and laserPrint to scale PROTrue-scale PDF with a title blockPNG downloadFree high-resolution image
Guides
DXF files: open, edit and export onlineDXF files explained: open and edit a DXF online on a phone or computer without AutoCAD,…What is 2D CAD?What 2D CAD is and what it is used for, the key ideas (snapping, dimensions, scale,…CAD on your phoneFree 2D CAD that works on your phone or tablet in the browser, no app needed. Draw to…GuidesPlain-English 2D CAD guides: drawing to scale, DXF files, printing to scale, title…CompareHow BenCAD compares with AutoCAD Web, KulmanLab, LibreCAD and SketchUp Free, and a…Who it's forHow engineers, architects, designers, students, makers, builders and landlords use…