diff --git a/init.lua b/init.lua
index 0d3305b..4acf5e0 100644
--- a/init.lua
+++ b/init.lua
@@ -375,5 +375,5 @@ end
 if extrablocks_tools then
 	dofile(path.."/tools.lua")
 end
-dofile(path.."/laser_mk2.lua")
+dofile(path.."/mining_lasers.lua")
 print("[extrablocks] loaded")
diff --git a/laser_mk2.lua b/mining_lasers.lua
similarity index 71%
rename from laser_mk2.lua
rename to mining_lasers.lua
index 051a5a9..c60ebfe 100644
--- a/laser_mk2.lua
+++ b/mining_lasers.lua
@@ -1,9 +1,12 @@
 --license LGPLv2+, for the changes: WTFPL
 
-local laser_mk2_range = 10 --range of the laser shot
 local r_corr = 0.25 --remove a bit more nodes (if shooting diagonal) to let it look like a hole (sth like antialiasing)
---local laser_mk2_max_charge = 40000
+local laser_mk2_range = 11 --range of the laser shots
+local laser_mk3_range = 30
+--local laser_mk2_max_charge = 40000*4
+--local laser_mk3_max_charge = laser_mk2_max_charge*4
 --technic.register_power_tool("technic:laser_mk2", laser_mk2_max_charge)
+--technic.register_power_tool("technic:laser_mk3", laser_mk3_max_charge)
 
 local f_1 = 0.5-r_corr
 local f_2 = 0.5+r_corr
@@ -96,33 +99,39 @@ local function laser_shoot(player, range, particle_texture, sound)
 
 	local startpos = {x=playerpos.x, y=playerpos.y+1.6, z=playerpos.z}
 	local a = {x=dir.x*50, y=dir.y*50, z=dir.z*50}
-	minetest.add_particle(startpos, dir, a, 1, 1, false, particle_texture)
+	minetest.add_particle(startpos, dir, a, range/11, 1, false, particle_texture)
 	lazer_nodes(vector.round(startpos), dir, player, range)
 	minetest.sound_play(sound, {pos = playerpos, gain = 1.0, max_hear_distance = range})
 
-	print("[extrablocks] <laser_mk2> my shot was calculated after "..tostring(os.clock()-t1).."s")
+	print("[extrablocks] <mining_laser> my shot was calculated after "..tostring(os.clock()-t1).."s")
 	return true --?
 end
 
 
-minetest.register_tool("extrablocks:laser_mk2", {
-	description = "Mining Laser MK2",
-	inventory_image = "extrablocks_mining_laser_mk2.png",
-	stack_max = 1,
-	on_use = function(itemstack, user)
-		--[[local meta = get_item_meta(itemstack:get_metadata())
-		if not meta or not meta.charge then
-			return
-		end
-		if meta.charge - 400 > 0 then]]
-			laser_shoot(user, laser_mk2_range, "extrablocks_laser_beam_mk2.png", "extrablocks_laser_mk2")
-			--[[meta.charge = meta.charge - 400
-			technic.set_RE_wear(itemstack, meta.charge, laser_mk2_max_charge)
-			itemstack:set_metadata(set_item_meta(meta))
-		end
-		return itemstack]]
-	end,
-})
+
+for _,m in ipairs({
+	{"2", laser_mk2_range, laser_mk2_max_charge},
+	{"3", laser_mk3_range, laser_mk3_max_charge},
+}) do
+	minetest.register_tool("extrablocks:laser_mk"..m[1], {
+		description = "Mining Laser MK"..m[1],
+		inventory_image = "extrablocks_mining_laser_mk"..m[1]..".png",
+		stack_max = 1,
+		on_use = function(itemstack, user)
+			--[[local meta = get_item_meta(itemstack:get_metadata())
+			if not meta or not meta.charge then
+				return
+			end
+			if meta.charge - 400 > 0 then]]
+				laser_shoot(user, m[2], "extrablocks_laser_beam_mk"..m[1]..".png", "extrablocks_laser_mk"..m[1])
+				--[[meta.charge = meta.charge - 400
+				technic.set_RE_wear(itemstack, meta.charge, m[3])
+				itemstack:set_metadata(set_item_meta(meta))
+			end
+			return itemstack]]
+		end,
+	})
+end
 
 function lazer_it(pos, player)	
 	local node = minetest.get_node(pos)
diff --git a/sounds/extrablocks_laser_mk3.1.ogg b/sounds/extrablocks_laser_mk3.1.ogg
new file mode 100644
index 0000000..f948913
Binary files /dev/null and b/sounds/extrablocks_laser_mk3.1.ogg differ
diff --git a/sounds/extrablocks_laser_mk3.2.ogg b/sounds/extrablocks_laser_mk3.2.ogg
new file mode 100644
index 0000000..636c306
Binary files /dev/null and b/sounds/extrablocks_laser_mk3.2.ogg differ
diff --git a/textures/extrablocks_laser_beam_mk3.png b/textures/extrablocks_laser_beam_mk3.png
new file mode 100644
index 0000000..5a17e83
Binary files /dev/null and b/textures/extrablocks_laser_beam_mk3.png differ
diff --git a/textures/extrablocks_mining_laser_mk3.png b/textures/extrablocks_mining_laser_mk3.png
new file mode 100644
index 0000000..17e342e
Binary files /dev/null and b/textures/extrablocks_mining_laser_mk3.png differ