I am learning how to make 3D models but i am probably will be better at that next year or so but here is one for the spy called "French Da PaintBruvinch"
Positives:
Crits when ever it would normally mini-crit
On hit: Paints the enemy and marks them for death for 10 sec
On kill: Gain a +25% speed boost for 4 sec
Negatives:
- 80% damage penalty
or the Black Hole weapon sets for half of the classes

https://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=355857046&searchtext=
Positives:
+25% faster reload
Deals mini-crits to the enemy that recently damaged your teammate

Negatives:
-30% slower firing rate
Mini-crits is affected by range ( beyond 900 Hammer units will deal normal damage instead of mini-crits )
https://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=1473387200&searchtext=
Wearable weapon for the Soldier, Demoman, Heavy, Engineer, and Sniper on secondary slot
Positives:
-40% damage taken from behind
+15% ammo regenerated every 60 sec
On kill: Refills both primary, and secondary ammo or metal by +25%
Ammo packs give +10% more metal

Negatives:
-20% move speed on wearer
-50% heal rate on wearer
On death: Drops a large ammo pack.

https://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=1355628448&searchtext=
Positives:
While Scoped: Slowly fade to be almost fully transparent (remove stat from the High Noon)
On Charge: Marks the enemy for 100% critical hits for 2 sec
+50% Max primary ammo on wearer
Negatives:
-25% slow charge rate
-15% slower Firing and reload speed
No ammo from dispencers while active.
https://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=773208612&searchtext=
Can be used by the scout, soldier, and engineer
Positives:
Press 'Special Attack' to switch between 2 modes
+20% more accurate

3 Round-Burst mode: +60% fast firing speed, +1 sec between bursts, -45% damage penalty
Bullet spread mode: +50% bullets per shot, -25% damage penalty, -10% less accurate
NOTE: I am not good at balancing a weapon that has 2 modes, but will improve overtime or any weaon in general?

https://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=763593668&searchtext=
Heavy's Secondary slot
White text: Refills Minigun on use
Alt-Fire: Share ammo/metal with a friend
Positives:
When donated to friendly Engineers: 120% faster health and ammo regeneration from your friend's Dispenser for 14 seconds (Just for you, Pardner!)
While in effect: +30% faster movement speed for 6 sec
Can collect ammo packs to refill charge meter( 5 small, 3 medium, 2 large)

Negatives:
No charge rate
While active: Ammo drains while ammo is being dispensed to teammates.
Charge decreases by 25% while ammo is being given (ammo/metal given is 15% to all classes)
When not a 100% charge: Unable to collect Minigun ammo through ammo boxes.
https://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=308937672&searchtext=
Positives:
+30% faster firing rate/reload speed
Negatives:
-20% max primary ammo on wearer

Holds 5 sniper bullets in clip, but reloads like a shotgun

https://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=515699738&searchtext=
Positives:
+200% bullets per shot ( 12 from 4 pellets )
On kill: Gain 200 max health for 10 sec ( Does NOT stack )
Negatives:
-25% slow firing speed
-20% slower spin up and down time
Consumes an additional 11 ammo per shot ( usally shoots 4 per shot but now it waste more ammo per shot -12 )
https://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=366919683&searchtext=
Positives:
+20% bullets per shot
Alt-Fire: Firing speed increases by 5% up to 40%
Negatives:
Alt-Fire: Damage decreases as firing speed increases by 5% up to 25%
-33% less accurate
-30% move speed during Alt-Fire

( 50 shots in the clip, but only holds 50 shots )

https://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=728136057&searchtext=
Positives:
+3 Grenades per shot
+25% fast reload time
Negatives:
+1.7 degrees random projectile deviation
-75% clip size
-30% explosion radius
https://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=728136477
Positives:
+20% explosion radius
+50% healing from all sources while active
Negatives:
+30% damage to self
-20% slow firing time
https://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=1270&searchtext=
Positives:
Mines explode on contact when enemies step on it
Mines will very slowly fade to be partically transparent
Negatives:
-25% clip size (from 8 to 6)
-2 max mines out (6)
+0.5 sec slower bomb arm time
Mines cannot stick to walls

i have windows now. But i might of founded two bugs for the weapons in general

1: the heavys Bulletproof battery barrel will not spin, and
2: the Prototype S-8(Walkabout) has the Classic model instead of the new weapon model!.....?
and 3 check the balacned idea for the Prototype S-8 pls for the new weapons balanceing i really do not know if that will be tested?

https://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=440768455&searchtext=
Heavy's Primary slot
Positives:
While deployed: +90% damage resistance against a backstab
While fully deployed: +20% explosive damage resistance
While fully deployed: Wearer takes mini-crit damage instead of 100% critical damage
Silent killer: No spin up sound
Negatives:
-10% slower spin up and down time
-33% slower move speed while deployed
-45% less healing from medic sources while active.

https://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=176690057&searchtext=
Snipers melee slot
Positives:
Alt-Fire: Throws a Boomerang On hit: Marks enemies for death for 8 sec and gives you and your teammates (in very close range) speed increase by 20% for 6 sec.
Can be picked up after being thrown.
Negatives:
-15 max health on wearer.

https://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=151944588&searchtext=
Medics secondary slot
Positives:
+100% max overheal
On enemy patient: -30% slower firing speed for 5 sec, and a Bleed duration for 15 sec.
Negatives:
-25% heal rate
-30% UberCharge rate ( even with the help with the ubersaw still has this penalty )
-75% bleed damage penalty
Neutral:
Medigun can give debuffs and deals reduced damage to the enemy
A green ring effect will show while aiming your medigun at enemy paitents.

Biggest Boss lähetti viestin:

check the stats yourself,i think it might have changed with the whole stock weapon rebalance patch.

I will check it soon thx.

A rebalanced of the:
https://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=278364722
that i did and gotten loads of comments about it, secondary for the heavy,
Positives:
This weapon deploys 60% faster and holsters 30% faster
Crits on headshot
Negatives:
-20% bullets per shot
-50% damage penalty on bodyshots
-35% slower firing speed
Critical damage is affected by range.

Hidden stats:
Range/damage ramp-up increased (which is a good thing)