Move, copy and rotate
Moving, copying and rotating are how you reuse work. The key is the base point: pick it on something meaningful and every placement is exact.
In this lesson you will
- Move and copy objects with base points and displacements
- Make multiple and arrayed copies
- Rotate by an angle or by reference
- Use grips for quick edits
The base point
MOVE, COPY, ROTATE, SCALE and MIRROR all start the same way: select objects, press Enter, then pick a base point. Choose a point you can snap to exactly — a corner, an endpoint, the centre of a column — so the object lands precisely where you want it.
MOVE
Displacement option: at the base-point prompt type D, then 1200,0 to move by that amount without picking points.
- 1Type
M, select objects, Enter. - 2Pick a base point (snap to a corner).
- 3Pick the destination point, or type a displacement such as
@1200,0.
COPY
CO (or CP) works like MOVE but leaves the original. It keeps asking for destination points, so you can place many copies. The Array option (A) places a number of evenly spaced copies along a line — e.g. 6 windows at 1800 centres: select a window, base point, A, 6, then @1800,0. For grids and circular patterns, use the ARRAY command.
ROTATE
Copy option (C) rotates a copy and keeps the original.
Reference option (R) rotates something to line up with another object when you don't know the angle: pick two points on the object's current edge, then two points on the target edge.
- 1Type
RO, select objects, Enter. - 2Pick the base point — the pivot.
- 3Type an angle (positive = counter-clockwise), e.g.
90or-30.
Grips: editing without commands
Select an object and click a blue grip — it turns red (hot). Now press Space to cycle through Stretch › Move › Rotate › Scale › Mirror, using the hot grip as the base point. Great for quick adjustments.
Quick reference
| Command / tool | How to start it | What it does |
|---|---|---|
| MOVE | M | Moves objects |
| COPY | CO / CP | Copies objects (multiple by default) |
| ROTATE | RO | Rotates about a base point |
| ARRAY | AR | Rectangular, polar or path arrays |
| ALIGN | AL | Moves and rotates to match points |
Common mistakes
Objects end up slightly off position.
Snap the base point and destination to real geometry; don't click in space.
Rotation goes the wrong way.
Positive angles are counter-clockwise; use a negative angle for clockwise.
Exercise
Furnish a meeting room
- Draw a 1800 × 900 table (rectangle) and a 450 × 450 chair.
- Copy the chair along one side of the table with COPY › Array: 3 chairs at 600 centres.
- Mirror or copy them to the other side.
- Rotate a copy of the chair 90° to sit at the table end.
- Move the whole set 1000 to the right by displacement.
You should end up with: A table with evenly spaced chairs, placed exactly.
Checklist
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Lesson quiz
What is the most important choice when moving an object precisely?
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