The Life Starter
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Course Library · Lesson 3 of 6
Digital · Guided lesson

Turn the sketch into a solid

About 46 minutes · 6 reading + 40 practice and checks
Time includes reading, practice, and questions. Extra videos or further study are optional.
See this course’s project requirements

A revised desk-token CAD model, a dimensioned drawing, checked exchange files and a short handoff note.

Keep your working files in your own notebook or software. Save a private description, checklist, and work link in My Proof.

What to include

  • A 60×30×6 mm version A and 70×30×6 mm version B with an 8 mm through-hole at x10, y15.
  • Fully constrained base and hole sketches, with dimensions checked after revision.
  • A digital drawing with units, version and width/depth/thickness/diameter labels.
  • STEP and PDF exports reopened and inspected.
  • Native source and a readme recording the change and limitations.

Review and revise

Use these criteria to check your work and choose what to improve.

  • Geometry follows the stated dimensions and origin.
  • The revision changes the intended parameter without hiding errors.
  • Views and labels communicate size clearly.
  • The source and exported files agree.
Open the full course project
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Before you begin

The idea in everyday life

Open the constrained base. Target thickness 6 mm; through-hole diameter 8 mm centered at x=10, y=15 mm.

The idea

A Pad adds solid depth; a Pocket removes material from a closed sketch.

Follow along

Turn the sketch into a solid — guided practice

Pad a base and remove a through-hole.

Open the constrained base. Target thickness 6 mm; through-hole diameter 8 mm centered at x=10, y=15 mm.

  1. 1. Add depth

    Close sketch editing, select the base sketch, choose Pad and enter 6 mm. Confirm. Use the axonometric view to inspect.

    You should see: A 60×30×6 mm solid appears.

    A closed sketch plus a depth defines a volume.

  2. 2. Locate the hole

    Clear any face selection. With the Body active, choose Create sketch and select the XY plane, the same plane used for the base. Draw a circle, then constrain its radius to 4 mm. Select its center point and apply horizontal distance 10 mm and vertical distance 15 mm from the sketch origin. If the Pad hides the sketch, select Pad in the tree and press Space to hide it temporarily. Confirm the sketch is fully constrained.

    You should see: The circle is fixed at (10, 15) on the base XY plane, with radius 4 mm.

    A circle needs both size and position constraints.

  3. 3. Cut through

    Close the circle sketch, select it and choose Pocket. Set Type to Through all and enable Reversed so the cut travels from the XY plane upward through the Pad in positive Z. Inspect the preview, then confirm. Show the final Pocket and hide earlier features.

    You should see: A circular opening cuts through the complete 6 mm thickness.

    Through all expresses intent even if thickness changes.

  4. 4. Inspect the result

    Rotate to see both openings. Hide earlier features if they obscure the final Pocket. Save and record the bounding dimensions.

    You should see: One solid body remains with a circular opening; dimensions are 60×30×6.

    A visible circle on a surface is not proof of a through-cut.

Now change one thing

Increase only Pad length from 6 to 9 mm. How thick is the new token?

Your work

What to finish

A saved token body with a confirmed through-hole.

Common mistake

Watch for this

Confusing radius with diameter.

How can I tell I understand it?

Explain the result, reproduce the procedure, and complete the changed-input check.

Try 3 questions

Quick knowledge check

Answer all 3 questions. Get at least 2 right and the lesson completes automatically.

Not yet passed

You’ll get an explanation for each answer. Signed in? Your results save to your account.

1A hole must stay open when thickness changes from 4 to 7 mm. Which Pocket setting expresses this?
2The circle diameter must be 12 mm. Which radius constraint should you enter?
3The model looks uncut although a Pocket exists. What should you check first?
0 of 3 answeredApply the lesson to a short question, then review the explanation.
3
Finish this lesson

Pass the check. We’ll save the progress.

Answer all 3 questions above and get at least 2 right. You can review the explanations and try again.

Go to the knowledge check
Optional course overview video · same video as Lesson 1
MangoJelly Solutions for FreeCADFreeCAD 1.0 Ultimate Beginners Crash Course in 1 hour for 3D printing CAD Lesson / TutorialYouTube
Optional course overview

FreeCAD 1.0 Ultimate Beginners Crash Course in 1 hour for 3D printing CAD Lesson / Tutorial

From MangoJelly Solutions for FreeCAD. Watch here or open it on YouTube .

Optional course overview. Follow the written steps below at your own pace.
Tools, templates, and lesson sources

Tools and templates

Tools open in a new tab so you can keep your place here.

Sources and further reading

Explore the references behind this lesson.

FreeCAD manual: Modeling for product design
Source & access notes · checked 2026-09-12

Read author-maintained mirror: sketches, constraints, Pad and Pocket. Mirror describes older releases; do not follow its obsolete assembly discussion.

Access: Public reading without a paid account; reviewed September 12, 2026.

Reuse: Manual identifies CC BY 4.0; link and original fixture used. FreeCAD software is LGPL; learner files remain theirs.

FreeCAD documentation: Part Design Pocket
Source & access notes · checked 2026-09-12

Read the command description and documented menu name. Pocket reference also specifies Through all, Reversed and sketch-normal direction.

Access: Public repository text inspected September 12, 2026. Repository was archived April 1, 2026; the built-in command descriptions are readable.

Reuse: Link only; course geometry and prose are original.

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