Anyone guess what this is for

Ah lads, Pedro spotted what was wrong about 10 posts back

But what still has yet to be deduced is what the purpose of this otherwise scrap crankcase is
Testing out your new phone camera? You can tell I donโ€™t know chit.
 
Well it has been since my birthday any one has posted here. Please let us in your plans.

I forgot about this thread. It's a test rig for fitting/mating rebalanced balancer shafts with 2.5L stroker cranks & rods, before sending kits out to customers.
Saves me having to take apart my spare engine to do it.

Have 2 stroker cranks on the way as we speak that need balancers rematched to them. They just landed into the country last night.