Paint a bicycle wheel in Aquarell: align spokes, hub and rim in one ellipse

A bicycle wheel has many details but few essential references. Rim, tyre and spokes belong to one spatial circle; extra lines cannot repair a misplaced centre or inconsistent ellipse. Draw one tilted wheel with a short fork, simplifying the spokes rather than producing a manufacturing diagram.

Construct concentric outlines with a few guides

Use an approximately 1500×1600 px portrait canvas. Sketch a mildly compressed, nearly upright ellipse, marking axes and four extremes. Add a smaller rim with matching axes and coherent thickness. Check the empty wheel as a tilted spatial circle before spokes.

Separate background, construction, tyre and spokes. Test a fine rim brush and broader tyre brush. Mark the hub provisionally. Correct exaggerated thickness by comparing inner and outer contours rather than adding black paint, and save the empty-wheel structure for later checks.

Locate the hub and axle coherently

Build the hub as a short cylinder near the projected circle’s centre, with slightly separated flanges. Compare it with guides from the rim extremes instead of placing it toward the widest-looking side. Overlapping cylinder ends establish direction more effectively than detailed bolts.

Show a short axle approximately perpendicular to the wheel plane and attach a simplified fork. Interrupt hidden parts instead of drawing transparent lines through everything. Correct rim, hub and axle relationships before spokes, which would otherwise spread from the wrong centre.

Begin spokes as a few organised groups

Use eight to twelve simplified spoke groups without claiming a real lacing pattern. Connect the front hub flange to distributed rim points, compressed by perspective at the sides. End each at the rim. Check four groups before adding more so origin errors remain visible.

Add rear-flange spokes with distinct origins, simplifying crossings. Keep them lighter and thinner than the tyre, with selected clearer near lines. If they become a dense web, remove repetitive marks while preserving their organised distribution; fewer spokes can still explain the wheel.

Describe the tyre with planes rather than a black border

Paint the tyre as a dark-grey band with lighter lit and darker inner/contact planes. Reserve tread marks for a short near section and turn them around the circumference. Repeating identical short strokes around the whole wheel would ignore perspective and flatten it.

Add a small thin metal-rim reflection against the softer rubber. Break a glowing continuous white ring and reduce harsh tyre highlights if it resembles iron. Compare the two materials’ broad values before bolts; details should distinguish materials rather than make every component sparkle.

Ground the wheel without disrupting its form

Flatten the lowest contact only slightly and place a concentrated contact shadow with a broader rightward cast shadow. Keep the fork subdued with clear front/back order. Repair a floating wheel by aligning its lowest point and shadow origin rather than enlarging the shadow arbitrarily.

Correct a fork apparently piercing the tyre by deciding which sections are in front and behind. Use occlusion breaks rather than heavier lines. A small axle dark can connect parts without swallowing the hub. Keep the spatial circle traceable before emphasising attachments.

Check the wheel without spokes

Hide spokes to review the nested ellipses small, then restore them to check hub origins normally. Repair lines overshooting the rim close up without requiring mechanical perfection at every crossing. If the empty wheel fails, correct its rim before relying on complexity for a finished appearance.

Keep empty-wheel, spoke and final PNG stages with an editable hub. Next, increase the tilt, rebuilding ellipse and centre before the same number of spoke groups. Compare side compression without adding tread or components, and record the most error-prone relationship as the next starting check.

Related tutorials and sources

Ellipses and axes, Metal reflections.

Checked on October 27, 2026 against the official Aquarell App Store listing and Apple’s public version lookup: current version 1.0.6, requiring iOS / iPadOS 15.0 or later. This exercise uses public brush, colour, layer and saving capabilities. Geometry, materials and motion cues are drawn manually; dimensions, palettes and simplified forms are suggestions. Check controls in your installed version. Keep the native project for editing and use PNG for previews. No step-by-step physical-device testing is claimed.