Steps for using Gimp (Mac) to make a negative for cyanotypes.
Gimp is a downloadable freeware software that
has many of the same functions as Photoshop. You can find it at http://www.gimp.org/
The Thompson Rivers website has supporting information for Gimp
http://www.tru.ca/ctl/servicesforfaculty/educational_technology/resources/gimp.html
- File > open
- Crop tool > double click and drag the corners to make your selection
- Image > crop to selection
- Image > Print Size > Select width and when you click on the height it will automatically set.
- Colors > levels (to adjust contrast)
- Image > mode > grayscale
- Image > transform > flip horizontally
- Color>Invert
- Filter > Distort > Newsprint (you may have to do some trial and error to find the right setting–keep input and output settings the same)
- File > Print with Gutenprint /Or save as a jpg and print
- Select the highlighted areas in in the screen shots
- Use Original Image Size (lower right corner of menu)
- Center: Both
- Printer setup > Printer queue >choose your printer in the drop down menu >Okay > Print