The update will be released within a month! (Until june 15)

Spoiler - You probably won't recognize the mod after the update, everything will be changed, only the name and concept will remain.

Create artillery mod adds to minecraft :

2 cannons : 122mm a-15 , 152mm d-1
5 different shells : HE shell, Explosive shell, Armor piercing shell, Smoke shell , Impulse shell
Compress block (ingradient)
Lava printer (to make cannons)

Crafts:

gunpowder mass - mixing: white wool , gunpowder
gunpowder pillow - press gunpowder mass
Compress block crafting - automate packing : sturdy sheet, brass block, presistion mechanism, andesite alloy block
Lava printer crafting - aplicate blast furnance with compress block
Shell craft - sequence aplication : 3 times aplicate brass sheet and 1 gunpowder pillow , and 1 of fillings
122mm craft- up to 12 compress and up to 12000mb lava in Lava printer (depends of blueprints, check mechanics) (crafting time ~2min)
152mm craft- craft soon, but u can find it in creative
Clear blueprint - mixing : paper and blue dye
Blueprints - craft with blueprint table : clear blueprint and white dye + (10/20/30 xp lvls)
Check another crafts with JEI

Mechanics:

right click on cannon with Wrench to change cannon angle
right click on cannon to open it
right click on openned cannon with one of filled shells to charge
right click on charged cannon to shoot
to craft cannon in lava printer u need to place 4 blueprints in Lava printer , 1 Breech , 1 Tube , 1 Support, 1 Crater, Big blueprint - increases value of necessary compresses to 3, Medium - 2 , Small - 1
to build cannon u need 3 or more compresses

Donation list:

Create : artillery