First version

this is just the beginning

Blocks

+Connector:

when you right-click with the block in the main hand, it replaces itself and other connectors with a common side

+Rotatoble connector:

the same as the connector, but retains rotation for the block

+Diogonal connector:

the same as the connector, but replaces the blocks only diagonally

+Rotatoble diogonal connector:

the same as the diagonal connector, but retains rotation for the block

+All-sided connector:

the same as the connector, but replaces all the blocks around it

+Rotatoble all-sided connector:

the same as the all-sided connector, but retains rotation for the block