“Cheat Sheets,” part two

Previously, I introduced the patch, the 4-patch block, and the repeated block pattern.

I showed patterns of the shapes inside the pattern.

Today, I’ll begin combining shapes.

Shape AB:

Shape A and Shape B have nothing in common other than existing on the same plane. They can be the same color, or they can be different colors as long as both colors are different from the background color.

Shape AB block
Shape AB block
Shape AB
Shape AB

Shape AC:

Shape AC block
Shape AC block
Shape AC
Shape AC

Shape AD:

Shape A touches Shape D in three locations as shown in red.

Proposed Shapes AD
Proposed Shapes AD

I’m only concerned with the upper two locations because of the shared lines between the two shapes.

Shape AD(1) blocks
Shape AD(1) blocks

This pattern requires two 4-patch blocks as shown, alternated like a checkerboard.

Shape AD(1)
Shape AD(1)

There is a second set of Shape AD(1) here, but you have to add a third color to see it.

Shape AD(1) network blocks
Shape AD(1) network blocks
Shape AD(1) network
Shape AD(1) network
Shape AD(2) blocks
Shape AD(2) blocks

This pattern requires two 4-patch blocks as shown, alternated like a checkerboard.

Shape AD(2)
Shape AD(2)

There is a second set of Shape AD(2) here, but you have to add a third color to see it.

Shape AD(2) network blocks
Shape AD(2) network blocks
Shape AD(2) network
Shape AD(2) network

Shape BC:

Shape BC block
Shape BC block
Shape BC
Shape BC

Shape BD:

Shape BD blocks
Shape BD blocks

This pattern requires two 4-patch blocks as shown, alternated like a checkerboard.

Shape BD
Shape BD

There is a second set of Shape BD here, but you have to add a third color to see it.

Shape BD network blocks
Shape BD network blocks
Shape BD network
Shape BD network

Shape CD:

Shape C touches Shape D in three locations as shown in red.

Proposed Shapes CD
Proposed Shapes CD
Shape CD(1) blocks
Shape CD(1) blocks

This pattern requires three 4-patch blocks as shown.

Shape CD(1)
Shape CD(1)

There is a second set of Shape CD(1) here, but you have to add additional colors to see it.

Shape CD(1) network blocks
Shape CD(1) network blocks

This pattern requires three 4-patch blocks as shown.

Shape CD(1) network
Shape CD(1) network
Shape CD(2) blocks
Shape CD(2) blocks

This pattern requires three 4-patch blocks as shown.

Shape CD(2)
Shape CD(2)

There is a second set of Shape CD(2) here, but you have to add additional colors to see it.

Shape CD(2) network blocks
Shape CD(2) network blocks

This pattern requires three 4-patch blocks as shown.

Shape CD(2) network
Shape CD(2) network
Shape CD(3) blocks
Shape CD(3) blocks
Shape CD(3)
Shape CD(3)
Shape CD(3) network blocks
Shape CD(3) network blocks
Shape CD(3) network
Shape CD(3) network

Next time, I’ll combine three shapes . . .

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