renamed LBeam to crossbar

Signed-off-by: Arthur <arthur@we7.com>
more bits for the Lbeam change

Signed-off-by: Arthur <arthur@we7.com>
Tensioner arm

Signed-off-by: Arthur <arthur@we7.com>
tweeking after first print of plate part

Signed-off-by: Arthur <arthur@we7.com>
made washer green

Signed-off-by: Arthur <arthur@we7.com>
better messurements

Signed-off-by: Arthur <arthur@we7.com>
better confif for viewing and working

Signed-off-by: Arthur <arthur@we7.com>