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4.39-4.41 UNION, SUBTRACT, & INTERSECT

Authored by Jeff Rodman

Design

9th - 12th Grade

Used 2+ times

4.39-4.41 UNION, SUBTRACT, & INTERSECT
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12 questions

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1.

MATCH QUESTION

1 min • 1 pt

Match the following commands with their functions

INTERSECT

Combines two or more 3D objects into one.

SUBTRACTS

Removes overlapping volume of 3D objects from another.

3D UNIONS

Creates a 3D object from overlapping volume of others.

2.

CATEGORIZE QUESTION

3 mins • 1 pt

Assign these examples to the correct categories according to their commands.

Groups:

(a) Union

,

(b) Subtract

,

(c) Intersect

A pipe system with interconnected sections.

A chair model developed by blending different geometrical shapes

A sculpture created by merging two solids.

A hollow cube (imagine a box with no top)

A tool with a grip created by removing material

An architectural model merging several solid structures

3.

CATEGORIZE QUESTION

3 mins • 1 pt

Organize these options into the right categories

Groups:

(a) The Statue of Liberty

,

(b) George Nelson Clocks

,

(c) Petra, Jordan

Mid-century clocks uniquely shape via union and subtraction principles.

Petra's rock-cut architecture stunningly showcases the subtractive design method.

Media Image
Media Image

Statue of Liberty unifies multiple components, exemplifying 'union' principle beautifully.

Media Image

4.

DRAG AND DROP QUESTION

1 min • 1 pt

Type ​ (a)   to use the UNION command.

Type ​ (b)   to use the SUBTRACT command.

Type ​ (c)   to use the INTERSECT command.

IN
SUB
UN
I
S
U

5.

REORDER QUESTION

1 min • 1 pt

Reorder the following steps for the subtract command

Specify the 3D solids, surfaces, or regions to subtract.

Press enter to complete the command.

Specify the 3D solids, surfaces, or regions to keep or be modified by subtraction.

Type 'SUB' or select 'SUBTRACT' command

6.

MATCH QUESTION

1 min • 1 pt

Match the following misconceptions and solutions

Why isn't subtraction working?

Select the object to keep first, press enter, then select the object to remove, enter again.

When do I use 'intersect' command?

Use to retain overlapping regions between objects.

Why are my objects connected?

Subtract' merges; use 'separate' to disconnect.

7.

OPEN ENDED QUESTION

3 mins • 1 pt

Name three products designed using subtract or union commands.

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