Blueprints + Drafting Flashcards
Continuous and dashed
2 main line styles
Very heavy
Heavy
Thin
Very light
4 line weights
Heavy perimeter lines
Border
Very light “sketching” lines
Construction lines
Heavy lines that draw focus to an item
Object lines
Lightweight dashed lines in an object
Hidden lines
Crossed over long/short/long dashed lines
Centre lines
Don’t touch the object with….
Extension lines (for dimensioning)
Are extension lines parallel to dimension lines?
No, dimension lines Tun between extension lines to clarify the distance being spanned by the measurement
“Pointing” line
Leader line; “lead” your eyes to a detail
How to orient dimensions? To be read from which EDGES of the page?
Bottom and right edges
3mm to 6mm text height
Dimensions
1/3 height of text
Offset “space” between dimension line and dimension text above
Can I squeeze a dimension into a tight space?
No, use a leader line
How are arc and circle dimensions located?
Centre and radius
