Hi there, just got Rhino on my Mac. I am used to drawing in Autocad and Turbocad. I cannot figure out how to specify the length of a line or radius/diameter of a circle etc. Please advise.

# Specify size

Try this:

Start to draw your item, to the left there will be a column with various selections for inputs. One of them should suit your needs.

Cheers!

**maxz**#3

Start your line, type a value for length (this will be recognized automatically, no need to click the input field), position the line and confirm by setting a point. For a circle, setting the mid point and typing a diameter is sufficient.

Max.

**Reefinmate**#6

Sorry but I’m finding it extremely frustrating as I am new to this software.

I select angled line.

Type in 0 for the starting point.

Press enter.

End of base line is the next option.

I type in 50 which i would assume is the length of the line.

Press enter.

For pivot angle I type in 45 which would be the angle of the line.

Press enter and I get nothing.

and I’m attempting this in the “top” viewport.

**jordy1989**#7

I’ve never used Angled Line but the normal.

Try:

- Type line
- press 0 and enter
- type <45 (< means under an angle and 45 degrees) and enter
- type 50 (thats your length) and enter and click too accept

2nd way is:

- Type Line
- Press 0 and enter
- use coordinates like @50,50,0 (@X,Y,Z (@means from current location)) press enter

Cheers

**maxz**#8

This is where you go wrong. With “End of base line” you only have to specify the base line direction by setting a point. Then you specify the angle of your line (relative to the base line angle), and after that the required length. The last action is setting a point to define the direction (two possibilities).

Max.