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Frequently Asked Questions

There are many advantages and disadvantages when you put a coreXY against a bed-slinger, such as an Ender 3. In terms of printing speeds, stability and print outcomes, a well-tuned CoreXY mechanical system triumps it in every aspect.

We wrote a simple article here that you can find out more about the benefits of a CoreXY Machine: https://kay3d.com/pages/corexy-benefits

The original Ender 3's build volume is 235x235x250mm (x, y, z)

Since the kit re-uses close to 95% of all the original extrusions, we're mechanically space constrained.

Your new maximum build volume is now 230x205x400mm (x, y, z)

Yes, we designed an extra 150mm in height because we discovered that the wires from stock are long enough; so why not we give you the best.  

Why does the Kit lose Y axis? 

As explained in the previous point; space constraints. If we designed it to accommodate 235x235, there will be a lot of extrusions wasted and new extrusions will have to be provided. That adds up to the cost, to the shipping weight which probably doesn't favor anyone.

Because the heaviest mass of all, the motors are now stationary in a CoreXY setup and without the swinging bed in a front and back motion, you can drastically improve the printing speed of your printer. 

Lose 20mm in Y due to space constraints? Now you can gain up to 220mm/s or higher print speeds with the right hotend without worrying if your bed would fly right off.

The KAY3D Conversion kits for both the Ender 3 and 5 are designed to withstand massive belt tensions required in a CoreXY Setup. 

In order to do that, we do not use printed parts as opposed to the other coreXY designs you see in the market. These parts are either CNC-ed and laser cut. The cost of manufacturing is already largely reduced because of our volume but they are still significantly more expensive as compared to plastic "printed parts"


Also, we didn't scrimp in such a kit; using only the best, you guessed it right. We also use Unitta belts from Gates and idustrial bearings.

As for shipping, we're looking at several extrusions at different lengths. Some long, some short and we must also not forget the 6mm-thick bracket extrusions we employ. The weight of these components add up to the weight and in pandemic times like these, almost all courier companies have raised their prices. 

This is why we're having troubles getting the best possible rates; even if we want to.

It doesn't matter whether you have an Ender 3 or Ender 3 pro. All Ender 3's are supported.

The single most critical component that may give you a slight set-back are Ender 3's with press-fit pulleys. You can find a solution in the pre-requisite section of the manual where we go through in detail how to overcome the problem. 

No, the belt system we have is not the criss-cross type. 

Our belt system is quite similar to the Voron 2.1's belt system where none of the belts are twisted. We have a 2-level belt system at the rear.

Our belt system ensures that the belts are properly parallel where they need to to increase printing speeds and reduce print skews & print artefacts on your parts.

Yes, there are similar projects in the pipeline to roll out conversion kits based on other printers.

We didn't want to leave stones unturned. This is a kit that will take time.

Excluding the time required to tear down your machine, the estimated build time is 4 hours.

We included possibly every single picture at different angles to ensure that your coreXY conversion will go smoothly. A detailed manual will be long.

No, our slicer profile is not perfect. Even new Ender 3's that are manufactured on the same batch, using the same conversion kits, assembled by the same person will not be 100% identical. Therefore, the slicer profiles are never perfect.

However, they are a great starting point. Just some fine tuning and you'll be done. 

No, we don't have a forum for now but plans are on the way. 

All support tickets are handled individually via email. As soon as the forum is up, we will be sending the news right to your inbox!

If you're not subscribed, you may want to.

No, you can place an order with us with or without an account. However, you may want to create an account with us as there are additional perks for account holders such as:

- Faster Checkout process

- Easily view your order status and history

- Get notification on new product releases as well as special promotions

Almost a year into development, it wasn't an easy task to port a printer's movement coordinates into another, attempting to re-use existing components. 

Also, our comprehensive kit contains individually checked components; more than 20 different type of bolts, specific-sized spacers, idler bearings. 

All these require cost, time & money. We do however promise that you'll get second to none printing results with out kit.

On the login page, click on "Lost password?". Follow the instructions and you'll be able to create a new password.

Upon registration, if you keyed in the wrong email address, be sure to write to us to let us know about it. We will then be able to change your email address, name and address. However, if the email is wrong in the order process, we won't be able to change it. We will however be able to provide you with information such as the tracking number after a series of verification is completed. 

All transactions done on Kay3d.com are based on the currency you see on our website. Kay3d.com automatically selects the currency based on your location and you'll have the option of checking out in the same currency as well. There are exchange rates, services & fees that may applicable and is charged by your bank/ credit card issuer that processes the transaction. Please note that the exchange rate is something Kay3d.com does not have control over.

We accept all major credit cards ( VISA, Mastercard, AMEX ) and PayPal payments. We do not accept personal cheques, money order, direct bank transfers, debit cards and cash on delivery. 

Kay3d.com is is built on a highly secured network approved by international SSL certificates. When a purchase is made online, your credit card or payment information is SSL-encrypted and then sent directly to the chosen payment gateways. The payment gateways such as Stripe or PayPal then processes, authorizes and approves the payment.

Kay3d.com reserves all rights to accept or decline any orders, or any portion thereof in our sole discretion, even after the customer receives an order confirmation or after the credit card has been authorized. In the event that the credit card has been authorized for the purchase but an order has to be cancelled on our end, a full refund will be issued back to the customer's mode of payment e.g. Credit Card or PayPal

Any cancellations request made after an order has been placed will be subject to a USD 0.50 cancellation fee. This is because the payment processors have already levied us the administrative charge upon the completion of the order.

Do note that any orders that have already been packed or shipped by us cannot be cancelled.

Kay3d.com has been designed in English and your shipping address should be in English as well. All the alphabets including the punctuations and hyphens should be included in the shipping address wherever applicable. Should your address contain non-english letters, you are advised to use similar alphabets instead. Please take note that your full address is required.

Kay3d.com & our logistic partners will not be responsible for items that have been delivered to the wrong addresses if the checkout address is deemed to be inaccurate or incomplete.

Your shipping address that was keyed in during your checkout cannot be edited after an order has been processed or shipped. Please be certain to use the correct address before checking out.

The delivery time is largely based on the shipping option that you have chosen during checkout. For standard delivery, the delivery time can be anywhere from 3-10 working days. On very rare and extreme scenarios, the delivery time can be beyond that. On such cases, our customer service team will be sure to keep you updated of it. 

Note: Shipping times exclude the processing time. (3-4 weeks for now [Jan-Feb 2020])

Tracking information is provided via email as soon as an order has been processed and shipped. Order processing takes about 3-4 weeks on our end. You can find out more about how you can track your orders here.

Promotional and discount codes cannot be used in conjunction with items on promotions unless stated otherwise. Information may or may not be stated on the product page.

Should you have missing items in an order that you receive, do contact us immediately. You can contact us here.

Orders will be processed in 1-2 working days after the payment has been cleared and should be approximately 3-4 weeks later.

Many of our items are sourced in bulk from global manufacturers before they go through in-house QC before shipping to you.

There are various methods that we use to have your product shipped out. For more information, you can find out more here.

Import taxes, duties and related customs fees may be charged and levied by your local customs once the parcel arrives at the destination country. These charges are determined by the customs office of the specific destination and it is something that Kay3d.com has no control over.

Payment of these charges and taxes is the responsibility of the recipient and will not be covered by us at kay3d.com. For further details of charges, please contact your local customs office.

You can find more about our return policy here.

For returns that are due to Kayvar.com's fault, e.g. wrong order sent, wrong color, missing quantity etc, we will bear the shipping cost. For other returns, the shipping and other miscellaneous fees should be borne by the customer.

You can find more about our return policy here.

We're very sorry if the items you received are defective/ incorrect/ damaged and we'll be glad to take it back. We've written a detailed guide about our Returns & Replacement guidelines here

Processing returns may take up to 14 business days from the day we receive your return. Our customer service team will email you to confirm once your return has been processed.

For returned items, a full refund will be credited for defective products. For non-defective items, refund excludes all shipping and handling fees. 

All refunds will be credited to your original form of payment. If you paid by credit or debit card, refunds will be sent to the card-issuing bank within 14 business days of receipt of the returned item or cancellation request. Please contact the card-issuing bank with questions about when the credit will be posted to your account.

You can always contact us here and we'll be more than happy to assist you with the questions you may have! You can contact us here