Forgot to create extender texture and source its file

mods/ENTITIES/pyutest_projectiles/projectiles/snowball.lua

@@ -9,12 +9,9 @@ local function do_particles(pos)
     glow = core.LIGHT_MAX,
 
     -- collisiondetection = true,
-    texture = "pyutest-snowball-particle.png",
+    -- texture = "pyutest-snowball-particle.png",
     pos = pos,
-    vel = {
-      min = vector.new(-vel, -vel, -vel),
-      max = vector.new(vel, vel, vel),
-    },
+    node = {name = "pyutest_blocks:snow"},
     -- minvel = vector.new(-vel, -vel, -vel),
     -- maxvel = vector.new(vel, vel, vel),
   })

mods/ITEMS/pyutest_electricity/components/extender.lua

@@ -4,7 +4,7 @@ end
 
 PyuTest.make_electricity_device("pyutest_electricity:extender", "Extender", {
   cracky = PyuTest.BLOCK_NORMAL
-}, {"pyutest-delayer.png"}, nil, {
+}, {"pyutest-extender.png"}, nil, {
   after_place_node = after_place_node,
 }, function (pos, node, sender_pos, sender)
   PyuTest.component_action(pos, sender)

mods/ITEMS/pyutest_electricity/init.lua

@@ -4,6 +4,7 @@ dofile(modpath .. "/wirecutter.lua")
 dofile(modpath .. "/api.lua")
 
 dofile(modpath .. "/components.lua")
+dofile(modpath .. "/components/extender.lua")
 dofile(modpath .. "/components/delayer.lua")
 
 dofile(modpath .. "/devices.lua")