From the update:
Two references are available! Two new references are available in the épsilon web. The new items are two bags to trench, one for the infantry bases and other for the HQ bases. This items are perfect like Dug in Markers. The references are pre-painted and ready2Play.
The references are: W15-02 Trench: Dug in Markers (4 items) €10 and W15-03 HQ Trench: Dug in Markers (4 items) €5