Fiendish Fabrications have released two new sets of rounded bases.
From their announcement:
Fiendish Fabrications has released two new Solid Earth Base sets.
Fiendish Fabrications have recently been replacing their popular base inserts with new fully finished rolled shoulder bases sets. The new sets are re-modelled from their Cobbled Streets and Wild West sets. Both the new sets are made up from a mix of their original insert designs and new designs. The results are bases with great detail and clean lines providing for easy painting and for mounting your figures.