RELATIONS/CONSTRAINTS

SKETCH ENTITIES

Relations are geometric constraints that define the entities
- Horizontal: A line may be horizontal and/or points/endpoints can be horizontal with respect to each other
- Coincident: A line endpoint may be coincident with an Arc, or a centerpoint of an Arc etc.
By default, SolidWorks will automatically add relations
- Yellow icons indicate automatic relations
- White indicate suggested relations
- Green indicate existing relations

Snaps are similar to Relations, but are automatic when sketching the entity

Tangency is most commonly used to ensure a LINE is blended into an ARC

(Arcs/Arcs may also be Tangent)

Here are some examples of tangency:

SolidWorks>→File→New

New

Ctrl+N

Part→Okay

Insert sketch onto Front Plane

Normally your first entity would be snapped coincident with the origin, don’t do this

The Selection Box “Blue-Box” contains your current selection
Items may be individually deselected by RMB→Delete from within the Blue-Box
You may deselect everything by RMB→Clear Selection
In the case of relations, the suggestions will change based on What’s in the Blue-Box

Select the Entity
- Click the desired relation icon in Popup Menu (the recommended relation is bold, this isn’t always correct)
This method also works with multiple entities (i.e. Ctrl+Click Point+Line→Coincident; Line+Line→Colinear/Equal/ Parallel/Perpendicular etc.)

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