Oblique drawing practice
Draw the front face at full size, add the depth at 45° and half length, then join the visible back edges. Watch the click-by-click example to learn the method. Free, with no sign-up.
The object and its dimensions
Challenge 1 of 8Width 1, height 1, depth 1 units. Dark dots mark the front plane; teal dots mark the back. Both sets can be clicked directly. Depth 1 becomes 0.5 units along each sloping edge.
Choose a challenge
8 cuboid exercises, from a cube to taller, wider and deeper boxes. Your drawings and ticks stay in this browser.
Start with the front rectangle. Click between either set of dots to add depth; no plane switching is needed.
Drag between dots, or click one dot and then another. Draw the same line again to remove it. A purple ring shows the endpoint; red means that direction is not allowed.
Keyboard: Tab into the paper. Arrow keys move, Enter or Space starts and ends a line, Escape cancels. P moves between corresponding front and back dots. Ctrl/⌘ Z undoes; Shift Ctrl/⌘ Z redoes.
How oblique drawing works
Keep the front true size
Horizontal and vertical measurements on the front face are drawn at full size. A rectangular front stays a rectangle.
Cabinet means half depth
Depth lines recede at 45° and are drawn at half their real length. A depth of two units is a one-unit diagonal on the drawing. This differs from cavalier oblique, which uses full depth.
Watch the method, then try
Play the worked example to see a moving cursor make every click: front rectangle, three half-depth edges, then the visible back edges. Pause, replay or move one step at a time. Dark front dots and teal back dots can both be clicked without switching planes. The eight exercises keep your work while you watch.
Free online drawing practice, with printable worksheets and answers. No account is needed. Saved work stays in this browser; it is not sent to a teacher or another device.