[Gimp-user] Create/Edit 8x8 pixel sample

[rgx gmx de]

Dear gimp experts,

for a Math lesson on symmetry, I need images
like shown in the screen shot. The image and
then the screenshot was generated with Gimp.

It is a bit tricky to switch to 8 dpi and
just one bit level (b/w), after all, the
pencil tool and the eraser are only working
in specific (even?) positions (high zoom level
approx. 2000%).

Isn't there a bit/pixel toggle mode with
pixel grid availabe?

Any further tools to display an axis cross (+)
and a X grid above my sketch?

With kind regards
Ralf
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PGP/GnuPG: pub 1024D/E6DE0971