The Radar Madness
http://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=109919233&searchtext=
Engineer Building

Replaces dispenser

Marks enemy players in a medium range
Range increases per level
Reveals cloaked spies at close range
+50 health


Players will get an advise if they are detected by this
When sapped can´t detect players

All feedback would be appreciated

Pair of Traps
http://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=114746522&searchtext=
Scout Melee

Pros:
Fill Trap meter by dealing damage with any weapon (like 315 damage)
When Bar is full press alt-fire
When alt-fired stun the victim for 2 seconds, and give it a 25% damage vulnerability in that time
Cons:
-30% Damage
No random critics

Secure Pistons
http://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=9365&searchtext=
Engineer Secondary

Pros:
Deals Mini-critics while sentry is shooting
+30% Damage
Cons:
Less fire rate (Same as the Fast Fix or the repairing thing)
-40% Clip size

OR

Pros:
100% Buildings damage resistance while these are building
Shock Treatement Effect on hit
Cons:
-15% Building health
-20% Movement penalty while moving constructions

Claws of Steel
http://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=1922357&searchtext=
Heavy Melee

Pros:
+100% Damage against buildings
No knockback recieved while active
50% Damage resistance against sentrys
Cons:
-75% damage against players
15% damage vulnerability from players

Tazing Revenge
http://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=5232&searchtext=
Engineer Melee

Pros:
Stun enemies for 0.6 seconds if they attacked your sentry the last 6 seconds
Cons:
This weapon deploys 30% Slower
-50% damage

The Flame Gun
http://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=529255841&searchtext=
Pyro Secondary

Pros:
Throws a flame burst when shooted that deals 40 damage + afterburn
Cons:
No critics against burning players

Simple words, Close range Flare gun

Infernal Furnace
http://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=14113&searchtext=
Pyro Primary

Pros:
+50% damage
Mini-critics on burning players
Cons:
-33% Slower range
No afterburn
This weapon deploys 40% slower

Neutral:
Deal Explosive damage intesead of fire damage (no fire appear)

A very nice weapon for direct range, it loses all its fire utility, but with some combos, can work very well.

Freeze Coolant
http://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=422081588&searchtext=
Heavy Primary

Pros:
On hit: Slows enemy by 100% for 3 seconds
100% Accuracy
No damage falloff
Cons:
-80% Slower spin up time
-50% damage
-1000% fire rate or equivalent to 1 bullet each 7.5 seconds
Only 10 ammo in minigun
No random critics

Neutral:
Shoots blue rays intesead of bullets

Marshmallow Picker
http://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=78109211&searchtext=
Spy Melee

Pros:
On backstab: Drop a small health pack
Silenk killer: No victim sound
Ammo collected becomes health
Cons:
-40% Non-Backstab damage

This may is of Maxine:
http://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=132801604&searchtext=

OR

http://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=5402&searchtext=maxim

I dont remember what version of model was